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Lambda-CDM model

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12927: 3746:); "the universe looks the same whoever and wherever you are." The cosmological principle exists because when the predecessors of the ΛCDM model were being developed, there was not sufficient data available to distinguish between more complex anisotropic or inhomogeneous models, so homogeneity and isotropy were assumed to simplify the models, and the assumptions were carried over into the ΛCDM model. However, recent findings have suggested that violations of the cosmological principle, especially of isotropy, exist. These violations have called the ΛCDM model into question, with some authors suggesting that the cosmological principle is obsolete or that the 12939: 4644:. On the contrary, about 80 % of observed galaxies give evidence of no such bulges, and giant pure-disc galaxies are commonplace. The tension can be quantified by comparing the observed distribution of galaxy shapes today with predictions from high-resolution hydrodynamical cosmological simulations in the ΛCDM framework, revealing a highly significant problem that is unlikely to be solved by improving the resolution of the simulations. The high bulgeless fraction was nearly constant for 8 billion years. 679: 156: 43: 12975: 12999: 12951: 691: 12987: 12963: 3590:. In addition, ΛCDM has no explicit physical theory for the origin or physical nature of dark matter or dark energy; the nearly scale-invariant spectrum of the CMB perturbations, and their image across the celestial sphere, are believed to result from very small thermal and acoustic irregularities at the point of recombination. 2687: 3820:
The CMB dipole is hinted at through a number of other observations. First, even within the cosmic microwave background, there are curious directional alignments and an anomalous parity asymmetry that may have an origin in the CMB dipole. Separately, the CMB dipole direction has emerged as a preferred
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We hence do not see any evidence for a violation of the strong equivalence principle in Coma cluster UDGs, contrarily to, for instance, Chae et al. (2020, 2021), for disc galaxies in the field. Our work extends that of BĂ­lek et al. (2019b) and Haghi et al. (2019a), which is limited to DF44 and makes
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predict the scalar spectral index should be slightly smaller than 1, consistent with the estimated value 0.96. The parameter values, and uncertainties, are estimated using large computer searches to locate the region of parameter space providing an acceptable match to cosmological observations. From
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Existence of surprisingly massive galaxies in the early universe challenges the preferred models describing how dark matter halos drive galaxy formation. It remains to be seen whether a revision of the Lambda-CDM model with parameters given by Planck Collaboration is necessary to resolve this issue.
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is of zero curvature (is flat) and has an undetermined topology. In 2019, interpretation of Planck data suggested that the curvature of the universe might be positive (often called "closed"), which would contradict the ΛCDM model. Some authors have suggested that the Planck data detecting a positive
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During the 1970s, most attention focused on pure-baryonic models, but there were serious challenges explaining the formation of galaxies, given the small anisotropies in the CMB (upper limits at that time). In the early 1980s, it was realized that this could be resolved if cold dark matter dominated
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Dark matter constitutes about 26.5 % of the mass–energy density of the universe. The remaining 4.9 % comprises all ordinary matter observed as atoms, chemical elements, gas and plasma, the stuff of which visible planets, stars and galaxies are made. The great majority of ordinary matter in
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Ghirardini, V.; Bulbul, E.; Artis, E.; Clerc, N.; Garrel, C.; Grandis, S.; Kluge, M.; Liu, A.; Bahar, Y. E.; Balzer, F.; Chiu, I.; Comparat, J.; Gruen, D.; Kleinebreil, F.; Krippendorf, S. (February 2024). "The SRG/eROSITA All-Sky Survey: Cosmology Constraints from Cluster Abundances in the Western
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and too much dark matter in the innermost regions of galaxies. This problem is called the "small scale crisis". These small scales are harder to resolve in computer simulations, so it is not yet clear whether the problem is the simulations, non-standard properties of dark matter, or a more radical
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inside a void is predicted by the authors to yield a larger local value for the Hubble constant than cosmological measures of the Hubble constant. However, other work has found no evidence for this in observations, finding the scale of the claimed underdensity to be incompatible with observations
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in electromagnetic radiation as it travels across expanding space. Although this expansion increases the distance between objects that are not under shared gravitational influence, it does not increase the size of the objects (e.g. galaxies) in space. It also allows for distant galaxies to recede
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Extended models allow one or more of the "fixed" parameters above to vary, in addition to the basic six; so these models join smoothly to the basic six-parameter model in the limit that the additional parameter(s) approach the default values. For example, possible extensions of the simplest ΛCDM
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the uncertainties in the standard six parameters quoted above, and may also shift the central values slightly. The table below shows results for each of the possible "6+1" scenarios with one additional variable parameter; this indicates that, as of 2015, there is no convincing evidence that any
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tension. The name "tension" reflects that the disagreement is not merely between two data sets: the many sets of early- and late-time measurements agree well within their own categories, but there is an unexplained difference between values obtained from different points in the evolution of the
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During the 1980s, most research focused on cold dark matter with critical density in matter, around 95 % CDM and 5 % baryons: these showed success at forming galaxies and clusters of galaxies, but problems remained; notably, the model required a Hubble constant lower than preferred by
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data release, there are seven observed peaks in the temperature (TT) power spectrum, six peaks in the temperature–polarization (TE) cross spectrum, and five peaks in the polarization (EE) spectrum. The six free parameters can be well constrained by the TT spectrum alone, and then the TE and EE
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cosmology. From that point on, it was generally accepted that the universe started in a hot, dense state and has been expanding over time. The rate of expansion depends on the types of matter and energy present in the universe, and in particular, whether the total density is above or below the
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is true. However, in 2020 a group of astronomers analyzed data from the Spitzer Photometry and Accurate Rotation Curves (SPARC) sample, together with estimates of the large-scale external gravitational field from an all-sky galaxy catalog. They concluded that there was highly statistically
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Historically, a large majority of astronomers and astrophysicists support the ΛCDM model or close relatives of it, but recent observations that contradict the ΛCDM model have led some astronomers and astrophysicists to search for alternatives to the ΛCDM model, which include dropping the
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Heymans, Catherine; Tröster, Tilman; Asgari, Marika; Blake, Chris; Hildebrandt, Hendrik; Joachimi, Benjamin; Kuijken, Konrad; Lin, Chieh-An; Sånchez, Ariel G.; van den Busch, Jan Luca; Wright, Angus H.; Amon, Alexandra; Bilicki, Maciej; de Jong, Jelte; Crocce, Martin (February 2021).
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galaxies are observed to be orbiting in thin, planar structures whereas the simulations predict that they should be distributed randomly about their parent galaxies. However, latest research suggests this seemingly bizarre alignment is just a quirk which will dissolve over time.
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Over the years, numerous simulations of ΛCDM and observations of our universe have been made that challenge the validity of the ΛCDM model, to the point where some cosmologists believe that the ΛCDM model may be superseded by a different, as yet unknown cosmological model.
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Dalal, Roohi; Li, Xiangchong; Nicola, Andrina; Zuntz, Joe; Strauss, Michael A.; Sugiyama, Sunao; Zhang, Tianqing; Rau, Markus M.; Mandelbaum, Rachel; Takada, Masahiro; More, Surhud; Miyatake, Hironao; Kannawadi, Arun; Shirasaki, Masato; Taniguchi, Takanori (2023-12-11).
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Li, Xiangchong; Zhang, Tianqing; Sugiyama, Sunao; Dalal, Roohi; Terasawa, Ryo; Rau, Markus M.; Mandelbaum, Rachel; Takada, Masahiro; More, Surhud; Strauss, Michael A.; Miyatake, Hironao; Shirasaki, Masato; Hamana, Takashi; Oguri, Masamune; Luo, Wentao (2023-12-11).
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Kroupa, P.; Famaey, B.; de Boer, Klaas S.; Dabringhausen, Joerg; Pawlowski, Marcel; Boily, Christian; Jerjen, Helmut; Forbes, Duncan; Hensler, Gerhard (2010). "Local-Group tests of dark-matter Concordance Cosmology: Towards a new paradigm for structure formation".
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predicted that the cosmic microwave background has a significant dipole anisotropy. In recent years, the CMB dipole has been tested, and the results suggest our motion with respect to distant radio galaxies and quasars differs from our motion with respect to the
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Smith, Tristian L.; Lucca, Matteo; Poulin, Vivian; Abellan, Guillermo F.; Balkenhol, Lennart; Benabed, Karim; Galli, Silvia; Murgia, Riccardo (August 2022). "Hints of early dark energy in Planck, SPT, and ACT data: New physics or systematics?".
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Dark Energy Survey; Kilo-Degree Survey Collaboration; Abbott, T.M.C.; Aguena, M.; Alarcon, A.; Alves, O.; Amon, A.; Andrade-Oliveira, F.; Asgari, M.; Avila, S.; Bacon, D.; Bechtol, K.; Becker, M. R.; Bernstein, G. M.; Bertin, E. (2023-10-20).
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The density distributions of dark matter halos in cold dark matter simulations (at least those that do not include the impact of baryonic feedback) are much more peaked than what is observed in galaxies by investigating their rotation curves.
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Massimo Persic and Paolo Salucci first estimated the baryonic density today present in ellipticals, spirals, groups and clusters of galaxies. They performed an integration of the baryonic mass-to-light ratio over luminosity (in the following
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in the ΛCDM model. These results have been challenged as failing to consider inaccuracies in the rotation curves and correlations between galaxy properties and clustering strength. and as inconsistent with similar analysis of other galaxies.
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Planck Collaboration; Aghanim, N.; Akrami, Y.; Ashdown, M.; Aumont, J.; Baccigalupi, C.; Ballardini, M.; Banday, A. J.; Barreiro, R. B.; Bartolo, N.; Basak, S.; Battye, R.; Benabed, K.; Bernard, J.-P.; Bersanelli, M. (September 2020).
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The actual observable amount of lithium in the universe is less than the calculated amount from the ΛCDM model by a factor of 3–4. If every calculation is correct, then solutions beyond the existing ΛCDM model might be needed.
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Migkas, K.; Pacaud, F.; Schellenberger, G.; Erler, J.; Nguyen-Dang, N. T.; Reiprich, T. H.; Ramos-Ceja, M. E.; Lovisari, L. (May 2021). "Cosmological implications of the anisotropy of ten galaxy cluster scaling relations".
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in 1992, and several modified CDM models, including ΛCDM and mixed cold and hot dark matter, came under active consideration through the mid-1990s. The ΛCDM model then became the leading model following the observations of
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Behroozi, Peter; Conroy, Charlie; Wechsler, Risa H.; Hearin, Andrew; Williams, Christina C.; Moster, Benjamin P.; Yung, L. Y. Aaron; Somerville, Rachel S.; Gottlöber, Stefan; Yepes, Gustavo; Endsley, Ryan (December 2020).
6891:, B. Famaey, K.S. de Boer, J. Dabringhausen, M. Pawlowski, C.M. Boily, H. Jerjen, D. Forbes, G. Hensler, M. Metz, "Local-Group tests of dark-matter concordance cosmology. Towards a new paradigm for structure formation" 3226: 10234:
Abbott, T. M. C.; Aguena, M.; Alarcon, A.; Allam, S.; Alves, O.; Amon, A.; Andrade-Oliveira, F.; Annis, J.; Avila, S.; Bacon, D.; Baxter, E.; Bechtol, K.; Becker, M. R.; Bernstein, G. M.; Bhargava, S. (2022-01-13).
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in the ΛCDM model and observations of galaxies and their clustering have arisen. Some of these problems have proposed solutions, but it remains unclear whether they can be solved without abandoning the ΛCDM model.
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Elcio Abdalla; Guillermo Franco AbellĂĄn; et al. (11 Mar 2022). "Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies".
5928:: physical baryon density parameter; physical dark matter density parameter; the age of the universe; scalar spectral index; curvature fluctuation amplitude; and reionization optical depth. In accordance with 4051:
Statistically significant differences remain in measurements of the Hubble constant based on the cosmic background radiation compared to astronomical distance measurements. This difference has been called the
3452: 1543: 5078:, so that stars and gas in galaxies and in galaxy groups and clusters account for less than 10 % of the primordially synthesized baryons. This issue is known as the problem of the "missing baryons". 4006:
approximately 2 billion light-years (600 megaparsecs, Mpc) in diameter. Some authors have said the existence of the KBC void violates the assumption that the CMB reflects baryonic density fluctuations at
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which extend beyond its radius. Important deficiencies were subsequently pointed out in this analysis, leaving open the possibility that the Hubble tension is indeed caused by outflow from the KBC void.
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or more. However, many large-scale structures have been discovered, and some authors have reported some of the structures to be in conflict with the predicted scale of homogeneity for ΛCDM, including
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from each other at speeds greater than the speed of light; local expansion is less than the speed of light, but expansion summed across great distances can collectively exceed the speed of light.
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of prominent spectral absorption or emission lines in the light from distant galaxies, and as the time dilation in the light decay of supernova luminosity curves. Both effects are attributed to a
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theory (TeVeS theory). Other proposals by theoretical astrophysicists of cosmological alternatives to Einstein's general relativity that attempt to account for dark energy or dark matter include
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Some researchers have suggested that there is a running spectral index, but no statistically significant study has revealed one. Theoretical expectations suggest that the tensor-to-scalar ratio
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significant evidence of violations of the strong equivalence principle in weak gravitational fields in the vicinity of rotationally supported galaxies. They observed an effect inconsistent with
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the universe is unseen, since visible stars and gas inside galaxies and clusters account for less than 10 % of the ordinary matter contribution to the mass–energy density of the universe.
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containing radiation at temperatures of around 10 K. This was immediately (within 10 seconds) followed by an exponential expansion of space by a scale multiplier of 10 or more, known as
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in two respects: one with respect to average temperature (i.e. temperature fluctuations), the second with respect to larger variations in the degree of perturbations (i.e. densities). The
840:, after a period of time when disparate observed properties of the universe appeared mutually inconsistent, and there was no consensus on the makeup of the energy density of the universe. 12670:; Ashdown, M.; Aumont, J.; Baccigalupi, C.; Ballardini, M.; Banday, A. J.; Barreiro, R. B. (2016-05-11). "Planck intermediate results. XLVII. Planck constraints on reionization history". 2682:{\displaystyle H(a)\equiv {\frac {\dot {a}}{a}}=H_{0}{\sqrt {(\Omega _{\rm {c}}+\Omega _{\rm {b}})a^{-3}+\Omega _{\mathrm {rad} }a^{-4}+\Omega _{k}a^{-2}+\Omega _{\Lambda }a^{-3(1+w)}}},} 2071:
is the reduced Hubble constant. If the cosmological constant were actually zero, the critical density would also mark the dividing line between eventual recollapse of the universe to a
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that, according to the general theory of relativity, causes accelerating expansion. The fraction of the total energy density of our (flat or almost flat) universe that is dark energy,
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Migkas, K.; Schellenberger, G.; Reiprich, T. H.; Pacaud, F.; Ramos-Ceja, M. E.; Lovisari, L. (April 2020). "Probing cosmic isotropy with a new X-ray galaxy cluster sample through the
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Other authors claim that the existence of structures larger than the scale of homogeneity in the ΛCDM model does not necessarily violate the cosmological principle in the ΛCDM model.
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in empty space that is used to explain the contemporary accelerating expansion of space against the attractive effects of gravity. A cosmological constant has negative pressure,
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The discrepancies could also be explained by particular properties (stellar masses or effective volume) of the candidate galaxies, yet unknown force or particle outside of the
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Cold dark matter simulations predict large numbers of small dark matter halos, more numerous than the number of small dwarf galaxies that are observed around galaxies like the
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Extensive searches for dark matter particles have so far shown no well-agreed detection, while dark energy may be almost impossible to detect in a laboratory, and its value is
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Research is active into many aspects of the ΛCDM model, both to refine the parameters and to resolve the tensions between recent observations and the ΛCDM model, such as the
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of light by galaxy clusters; and the enhanced clustering of galaxies) that cannot be accounted for by the quantity of observed matter. The ΛCDM model proposes specifically
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Nevertheless, some authors have stated that the universe around Earth is isotropic at high significance by studies of the cosmic microwave background temperature maps.
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Krishnan, Chethan; Mohayaee, Roya; Colgáin, Eoin Ó; Sheikh-Jabbari, M. M.; Yin, Lu (16 September 2021). "Does Hubble Tension Signal a Breakdown in FLRW Cosmology?".
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through which dark matter interacts, more efficient baryonic matter accumulation by the dark matter halos, early dark energy models, or the hypothesized long-sought
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de Oliveira-Costa, Angelica; Tegmark, Max; Zaldarriaga, Matias; Hamilton, Andrew (25 March 2004). "The significance of the largest scale CMB fluctuations in WMAP".
4796: 4325: 4294: 4267: 4162: 4135: 3747: 3729: 3595: 3340: 1482: 1215: 1055: 280: 2850: 2783: 1370: 3793:(the governing body of the Planck Mission) has concluded that these anisotropies in the CMB are, in fact, statistically significant and can no longer be ignored. 6655: 6616: 6329: 6294: 2754: 2710: 2434: 2295: 1793: 1730: 1708: 1508: 1238: 1133: 1005:
Cold: Its velocity is far less than the speed of light at the epoch of radiation–matter equality (thus neutrinos are excluded, being non-baryonic but not cold)
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Kim, Jaiseung; Naselsky, Pavel (10 May 2010). "Anomalous parity asymmetry of the Wilkinson Microwave Anisotropy Probe power spectrum data at low multipoles".
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spanning more than 90 % of the lifetime of the Universe, in 2021 astrophysicists found that approximately 50 % of all baryonic matter is outside
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and also observable distance–redshift relations for any chosen values of the cosmological parameters, which can then be compared with observations such as
9476:"A massive blow for ΛCDM – the high redshift, mass, and collision velocity of the interacting galaxy cluster El Gordo contradicts concordance cosmology" 9417:"A massive blow for ΛCDM – the high redshift, mass, and collision velocity of the interacting galaxy cluster El Gordo contradicts concordance cosmology" 9342: 651: 4804: 1976: 12845: 7439: 7171: 3579:
in 2013–2015 have continued to support the model and pin down the parameter values, most of which are constrained below 1 percent uncertainty.
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of galaxies; the
3154: 11585:; Drory, N.; Bender, R.; Cornell, M.E. (2010). "Bulgeless giant galaxies challenge our picture of galaxy formation by hierarchical clustering". 6073:, which is the total density of matter/energy needed for the universe to be spatially flat. Measurements indicate that the actual total density 9592:
Keenan, Ryan C.; Barger, Amy J.; Cowie, Lennox L. (2013). "Evidence for a ~300 Mpc Scale Under-density in the Local Galaxy Distribution".
4073:), then the existing interpretations of the Hubble constant and the Hubble tension have to be revised, which might resolve the Hubble tension. 4088:
As a result of the Hubble tension, other researchers have called for new physics beyond the ΛCDM model. Moritz Haslbauer et al. proposed that
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and globular cluster ages, are generally consistent with these, providing a check of the model, but are less precisely measured at present.
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galaxy redshift survey measured the matter density to be near 25 %; the large difference between these values supports a positive Λ or
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curvature could be evidence of a local inhomogeneity in the curvature of the universe rather than the universe actually being globally a 3-
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in ΛCDM, Yadav and his colleagues showed that the spatial distribution of galaxies is statistically homogeneous if averaged over scales 260
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more massive than the minimal value, or a running spectral index; the latter is generally not favoured by simple cosmic inflation models.
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In addition to explaining many pre-2000 observations, the model has made a number of successful predictions: notably the existence of the
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parameter of dark energy, and assuming negligible neutrino mass (significant neutrino mass requires a more complex equation). The various
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Luongo, Orlando; Muccino, Marco; Colgáin, Eoin Ó; Sheikh-Jabbari, M. M.; Yin, Lu (2022). "Larger H0 values in the CMB dipole direction".
1679:{\displaystyle H^{2}=\left({\frac {\dot {a}}{a}}\right)^{2}={\frac {8\pi G}{3}}\rho -{\frac {kc^{2}}{a^{2}}}+{\frac {\Lambda c^{2}}{3}},} 17: 10771: 10689:
Mariano, Antonio; Perivolaropoulos, Leandros (2013). "CMB maximum temperature asymmetry axis: Alignment with other cosmic asymmetries".
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Pandey, Kanhaiya L.; Karwal, Tanvi; Das, Subinoy (2019-10-21). "Alleviating the H0 and S8 Anomalies With a Decaying Dark Matter Model".
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Poulin, Vivian; Smith, Tristan L.; Karwal, Tanvi; Kamionkowski, Marc (2019-06-04). "Early Dark Energy can Resolve the Hubble Tension".
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Krishnan, Chethan; Mohayaee, Roya; Colgáin, Eoin Ó; Sheikh-Jabbari, M. M.; Yin, Lu (2022). "Hints of FLRW breakdown from supernovae".
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microwave background experiment measured the total (matter–energy) density to be close to 100 % of critical, whereas in 2001 the
3380: 2267:{\displaystyle \Omega _{x}\equiv {\frac {\rho _{x}(t=t_{0})}{\rho _{\mathrm {crit} }}}={\frac {8\pi G\rho _{x}(t=t_{0})}{3H_{0}^{2}}}} 1963:{\displaystyle \rho _{\mathrm {crit} }={\frac {3H_{0}^{2}}{8\pi G}}=1.878\;47(23)\times 10^{-26}\;h^{2}\;\mathrm {kg{\cdot }m^{-3}} ,} 8825:
Hutsemekers, D.; Cabanac, R.; Lamy, H.; Sluse, D. (October 2005). "Mapping extreme-scale alignments of quasar polarization vectors".
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Siewert, Thilo M.; Schmidt-Rubart, Matthias; Schwarz, Dominik J. (2021). "Cosmic radio dipole: Estimators and frequency dependence".
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Petit, J. P.; D'Agostini, G. (2018-07-01). "Constraints on Janus Cosmological model from recent observations of supernovae type Ia".
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Non-baryonic: Consists of matter other than protons and neutrons (and electrons, by convention, although electrons are not baryons)
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Klypin, Anatoly; Kravtsov, Andrey V.; Valenzuela, Octavio; Prada, Francisco (1999). "Where are the missing galactic satellites?".
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di Valentino, Eleonora; Mena, Olga; Pan, Supriya; et al. (2021). "In the realm of the Hubble tension—a review of solutions".
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Collisionless: Dark matter particles interact with each other and other particles only through gravity and possibly the weak force
12493: 3888: 1031:. The early universe remained hot (above 10 000 K) for several hundred thousand years, a state that is detectable as a residual 10214: 9861:"One Number Shows Something Is Fundamentally Wrong with Our Conception of the Universe – This fight has universal implications" 818: 107: 11411:
Sawala, Till; Cautun, Marius; Frenk, Carlos; et al. (2022). "The Milky Way's plane of satellites: consistent with ΛCDM".
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Secrest, Nathan; von Hausegger, Sebastian; Rameez, Mohamed; Mohayaee, Roya; Sarkar, Subir; Colin, Jacques (25 February 2021).
12829: 7843: 7419: 6747: 5004:{\displaystyle \Omega _{\rm {b}}=\Omega _{*}+\Omega _{\text{gas}}=2.2\times 10^{-3}+1.5\times 10^{-3}\;h^{-1.3}\simeq 0.003,} 79: 11133:"Probing the radial acceleration relation and the strong equivalence principle with the Coma cluster ultra-diffuse galaxies" 8197:
Nathan J. Secrest; Sebastian von Hausegger; Mohamed Rameez; Roya Mohayaee; Subir Sarkar; Jacques Colin (February 25, 2021).
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have long been leading critics of the ΛCDM model, attacking the dark matter portions of the theory from the perspective of
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reported that the cause of the Hubble tension discrepancy is not known. However, if the cosmological principle fails (see
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The values of these six parameters are mostly not predicted by theory (though, ideally, they may be related by a future "
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is postulated in order to account for gravitational effects observed in very large-scale structures (the "non-keplerian"
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Freundlich, Jonathan; Famaey, Benoit; Oria, Pierre-Antoine; BĂ­lek, Michal; MĂŒller, Oliver; Ibata, Rodrigo (2022-02-01).
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Shamir, Lior (2020-05-27). "Multipole alignment in the large-scale distribution of spin direction of spiral galaxies".
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and our interpretation of the CMB are correct. However, there exists an apparent correlation between the plane of the
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Horvath, I.; Hakkila, J.; Bagoly, Z. (2013). "The largest structure of the Universe, defined by Gamma-Ray Bursts".
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parameter in the ΛCDM model quantifies the amplitude of matter fluctuations in the late universe and is defined as
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association are moving away too rapidly to be consistent with expectations in the ΛCDM model. In this framework,
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Chae, Kyu-Hyun; Lelli, Federico; Desmond, Harry; McGaugh, Stacy S.; Li, Pengfei; Schombert, James M. (2020).
10158:"KiDS-1000 Cosmology: Multi-probe weak gravitational lensing and spectroscopic galaxy clustering constraints" 9679:"The KBC void and Hubble tension contradict LCDM on a Gpc scale – Milgromian dynamics as a possible solution" 8558:"Peculiar motion of Solar system from the Hubble diagram of supernovae Ia and its implications for cosmology" 8133:
Migkas, K.; Schellenberger, G.; Reiprich, T. H.; Pacaud, F.; Ramos-Ceja, M. E.; Lovisari, L. (8 April 2020).
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Frieman, Joshua A.; Turner, Michael S.; Huterer, Dragan (2008). "Dark Energy and the Accelerating Universe".
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anisotropy, the brightness/redshift relation for supernovae, and large-scale galaxy clustering including the
3709: 2966:{\displaystyle H(a)=H_{0}{\sqrt {\Omega _{\rm {m}}a^{-3}+\Omega _{\mathrm {rad} }a^{-4}+\Omega _{\Lambda }}}} 2713: 1740: 1063: 302: 225: 75: 12259:"Measuring the evolution of intergalactic gas from z = 0 to 5 using the kinematic Sunyaev–Zel'dovich effect" 12777: 11760:
Mahmood, R; Ghafourian, N; Kashfi, T; Banik, I; Haslbauer, M; Cuomo, V; Famaey, B; Kroupa, P (2021-11-01).
11132: 5749: 5082: 4668:
Comparison of the model with observations may have some problems on sub-galaxy scales, possibly predicting
4522: 4516: 4478: 2790: 11182:
the result all the more compelling. We recall that the MOND predictions do not involve any free parameter.
7450: 7283: 6558: 6237: 5461: 3545:
observations, and observations around 1988–1990 showed more large-scale galaxy clustering than predicted.
9860: 8325: 6512: 5960: 5956: 4450: 4235: 3802: 3786: 3675: 3619: 3525: 1032: 844: 795: 707: 683: 230: 12310:
Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics
8601:"Solar system peculiar motion from the Hubble diagram of quasars and testing the cosmological principle" 933: 13034: 12917: 12821: 5964: 4682: 4239: 3562: 3549: 1815:
is zero, regardless of its actual value. Substituting these conditions to the Friedmann equation gives
1243: 643: 449: 429: 237: 182: 11523:
Banik, Indranil; Haslbauer, Moritz; Pawlowski, Marcel S.; Famaey, Benoit; Kroupa, Pavel (2021-06-21).
4660:
with the halo. This is in serious tension with the fact that observed galaxy bars are typically fast.
3891:, discovered in November 2013, which has a length of 2000–3000 Mpc (more than seven times that of the 1138: 12910: 11646: 11587: 10237:"Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and weak lensing" 5307: 3977: 3950: 3920: 3915: 3691:
spectra can be predicted theoretically to few-percent precision with no further adjustments allowed.
1487: 275: 10640:"Cosmic flows in the nearby Universe: new peculiar velocities from SNe and cosmological constraints" 10587:
Said, Khaled; Colless, Matthew; Magoulas, Christina; Lucey, John R; Hudson, Michael J (2020-09-01).
8889: 8350: 7993: 2352: 12653: 10958: 8196: 6832:"First test of Verlinde's theory of emergent gravity using weak gravitational lensing measurements" 6443: 6373: 5772: 5520: 4444: 4297:
universe. Such a tension indicates that the ΛCDM model may be incomplete or in need of correction.
3857: 3643: 3623: 1078: 1036: 927: 890: 812: 790:
of Big Bang cosmology because it is the simplest model that provides a reasonably good account of:
444: 209: 11929: 8135:"Probing cosmic isotropy with a new X-ray galaxy cluster sample through the LX-T scaling relation" 5017: 3821:
direction in studies of alignments in quasar polarizations, scaling relations in galaxy clusters,
3686:
of the CMB, discovered in 2002 by DASI, has been successfully predicted by the model: in the 2015
3345:
It follows that the transition from decelerating to accelerating expansion (the second derivative
2756:
by construction. In the general case this is integrated by computer to give the expansion history
2326: 2300: 12257:
Chaves-Montero, JonĂĄs; HernĂĄndez-Monteagudo, Carlos; Angulo, RaĂșl E; Emberson, J D (2021-03-25).
7994:"Luminosity distance and anisotropic sky-sampling at low redshifts: A numerical relativity study" 6594:
of dark energy is allowed to differ from âˆ’1. Cosmic inflation predicts tensor fluctuations (
3956: 3631: 3348: 2799: 2088: 412: 292: 53: 9148:
Saadeh D, Feeney SM, Pontzen A, Peiris HV, McEwen, JD (2016). "How Isotropic is the Universe?".
8257: 4063:
in cosmology is widely acknowledged to be a major problem for the ΛCDM model. In December 2021,
3486: 1433: 10361:"Hyper Suprime-Cam Year 3 results: Cosmology from cosmic shear two-point correlation functions" 6583: 5974:
Collaboration Cosmological parameters 68 % confidence limits for the base ΛCDM model from
4735: 4726: 4466: 3735: 3725: 3460: 3231: 3141:{\displaystyle a(t)=(\Omega _{\rm {m}}/\Omega _{\Lambda })^{1/3}\,\sinh ^{2/3}(t/t_{\Lambda })} 1734: 10299: 6482: 6343: 5978:
CMB power spectra, in combination with lensing reconstruction and external data (BAO + JLA + H
4540: 2392: 1798: 1519: 851:, modified gravity, theories of large-scale variations in the matter density of the universe, 100: 12086: 6587: 4694: 4499: 4493: 3790: 3751: 3743: 3738:, which states that, on a large-enough scale, the universe looks the same in all directions ( 3679: 3554: 3257: 2719: 1513: 880: 759: 617: 419: 361: 12693: 12551: 12464: 12393: 12258: 11218: 11158: 10639: 10588: 10183: 9004: 8942: 8848: 8459: 8160: 7889: 7732: 7498: 7135: 6917: 6089:
This is the minimal value allowed by solar and terrestrial neutrino oscillation experiments.
5963:
feature. Other observations, such as the Hubble constant, the abundance of galaxy clusters,
4010: 3926: 3283: 2439: 1083: 13024: 13019: 12864: 12736: 12689: 12613: 12547: 12460: 12389: 12327: 12221: 12162: 12111: 12007: 11950: 11846: 11783: 11724: 11665: 11606: 11546: 11487: 11430: 11383: 11326: 11271: 11214: 11154: 11081: 11044: 10980: 10873: 10708: 10497: 10440: 10382: 10324: 10258: 10179: 10063: 10000: 9941: 9825: 9759: 9700: 9611: 9556: 9497: 9438: 9379: 9287: 9232: 9167: 9114: 9061: 9000: 8938: 8844: 8783: 8722: 8661: 8512: 8455: 8397: 8363: 8279: 8220: 8156: 8069: 8015: 7950: 7885: 7784: 7728: 7667: 7573: 7506: 7494: 7359: 7302: 7241: 7190: 7131: 7076: 7019: 6913: 6853: 6786: 6697:
The ΛCDM model is also known as the standard model of cosmology, but is not related to the
6618:), which is determined by the unknown energy scale of inflation. Other modifications allow 5936: 4714: 4669: 4574: 4462: 4303: 4272: 4245: 4140: 4113: 3849: 3750:
breaks down in the late universe. This has additional implications for the validity of the
3558: 3318: 1467: 1193: 980:
data, or more than 68.3 % (2018 estimate) of the mass–energy density of the universe.
843:
Some alternative models challenge the assumptions of the ΛCDM model. Examples of these are
836:
is the correct theory of gravity on cosmological scales. It emerged in the late 1990s as a
630: 602: 424: 10797:"Patterns Formed by Spiral Galaxies Suggest The Universe's Structure Isn't Totally Random" 7836:
Gravitation and Cosmology: Principles and Applications of the General Theory of Relativity
7613: 5081:
The missing baryon problem is claimed to be resolved. Using observations of the kinematic
5043:
Note that this value is much lower than the prediction of standard cosmic nucleosynthesis
4772: 2826: 2759: 1346: 863:
The ΛCDM model includes an expansion of metric space that is well documented, both as the
8: 13003: 12773: 12065: 9738:"Cluster–Void Degeneracy Breaking: Dark Energy, Planck, and the Largest Cluster and Void" 9358:"Seeing patterns in noise: gigaparsec-scale 'structures' that do not violate homogeneity" 8111: 8082: 8057: 7298: 7279: 6739: 6473: 5983: 5559: 5550: 5218: 4336: 4065: 3627: 3575: 3510: 1460: 1059: 974: 522: 492: 439: 395: 287: 177: 12905: 12868: 12740: 12617: 12331: 12225: 12166: 12115: 12028: 12011: 11985: 11954: 11850: 11787: 11728: 11669: 11610: 11550: 11491: 11434: 11387: 11330: 11275: 11048: 10984: 10877: 10712: 10501: 10444: 10386: 10328: 10262: 10067: 10004: 9945: 9829: 9763: 9704: 9615: 9560: 9501: 9442: 9383: 9291: 9236: 9171: 9118: 9065: 8787: 8726: 8665: 8516: 8367: 8283: 8224: 8073: 8019: 7954: 7788: 7671: 7577: 7363: 7306: 7245: 7219: 7194: 7080: 7023: 6974: 6857: 6790: 4697:
of 13.2. Other candidate galaxies which have not been confirmed by spectroscopy include
562: 12991: 12979: 12943: 12882: 12854: 12802: 12705: 12679: 12637: 12603: 12563: 12537: 12476: 12450: 12405: 12379: 12343: 12317: 12270: 12211: 12180: 12152: 12101: 12041: 11997: 11966: 11940: 11910: 11862: 11836: 11773: 11742: 11714: 11655: 11622: 11596: 11536: 11477: 11446: 11420: 11373: 11342: 11316: 11289: 11261: 11230: 11204: 11144: 11093: 11062: 11034: 10996: 10970: 10932: 10914: 10886: 10863: 10849: 10751: 10732: 10698: 10651: 10600: 10546: 10487: 10430: 10418: 10372: 10360: 10314: 10248: 10236: 10169: 10087: 10053: 10026: 9990: 9931: 9841: 9815: 9785: 9749: 9690: 9627: 9601: 9546: 9487: 9428: 9397: 9369: 9322: 9303: 9277: 9250: 9222: 9191: 9157: 9130: 9104: 9077: 9051: 9024: 8990: 8962: 8928: 8868: 8834: 8807: 8795: 8773: 8746: 8712: 8685: 8651: 8612: 8569: 8538: 8502: 8471: 8445: 8295: 8269: 8238: 8210: 8172: 8146: 8087: 8031: 8005: 7974: 7940: 7901: 7875: 7800: 7796: 7774: 7744: 7718: 7691: 7657: 7589: 7563: 7510: 7484: 7385: 7349: 7231: 7180: 7147: 7121: 7094: 7066: 7009: 6978: 6960: 6937: 6871: 6843: 6812: 6776: 6725: 6640: 6601: 6595: 6314: 6279: 4657: 4559: 4363: 4034: 3874: 3810: 2739: 2695: 2467: 2419: 2280: 1778: 1715: 1693: 1493: 1223: 1190:; the usual convention in cosmology is that subscript 0 denotes present-day values, so 1118: 991: 958: 833: 747: 582: 552: 517: 487: 434: 378: 147: 12528:
Planck Collaboration (2020). "Planck 2018 results. VI. Cosmological parameters".
12441:
Planck Collaboration (2020). "Planck 2018 results. VI. Cosmological parameters".
6892: 6799: 6764: 1218: 1047:" in the CMB; indeed, it seems likely that the universe is larger than the observable 12938: 12877: 12840: 12825: 12754: 12625: 12567: 12480: 12409: 12347: 12290: 12239: 12175: 12140: 12045: 12033: 11970: 11809: 11737: 11702: 11683: 11626: 11618: 11564: 11505: 11450: 11284: 11249: 11172: 11113: 11066: 11000: 10936: 10900: 10736: 10724: 10671: 10620: 10456: 10398: 10340: 10282: 10195: 10137: 10107: 10091: 10079: 10030: 10018: 9959: 9845: 9789: 9777: 9772: 9737: 9718: 9631: 9623: 9574: 9569: 9534: 9515: 9456: 9401: 9254: 9245: 9210: 9183: 9134: 9081: 9028: 9016: 8966: 8954: 8860: 8799: 8750: 8738: 8689: 8677: 8542: 8530: 8475: 8291: 8242: 8176: 8132: 8091: 8035: 7978: 7966: 7905: 7839: 7804: 7748: 7683: 7593: 7415: 7377: 7257: 7151: 7035: 6982: 6941: 6929: 6816: 6804: 6743: 6721: 6676: 4641: 4416: 4093: 3845: 3775: 962: 612: 12886: 12641: 11866: 11746: 11346: 11293: 11234: 10902: 10157: 8872: 8811: 8299: 8255: 7861: 7552: 7514: 7389: 7337: 7098: 6875: 4656:, then the bars that often develop in their central regions would be slowed down by 12955: 12872: 12744: 12709: 12697: 12629: 12621: 12555: 12468: 12397: 12370:
Planck Collaboration (2016). "Planck 2015 results. XIII. Cosmological parameters".
12335: 12280: 12229: 12184: 12170: 12119: 12023: 12015: 11958: 11854: 11801: 11791: 11732: 11673: 11614: 11554: 11495: 11438: 11391: 11334: 11279: 11222: 11162: 11103: 11052: 10988: 10924: 10881: 10716: 10661: 10610: 10505: 10448: 10390: 10332: 10274: 10266: 10187: 10127: 10123: 10119: 10075: 10071: 10008: 9949: 9833: 9767: 9708: 9647:"We're Way Below Average! Astronomers Say Milky Way Resides In A Great Cosmic Void" 9619: 9564: 9505: 9446: 9387: 9307: 9295: 9240: 9179: 9175: 9122: 9069: 9008: 8946: 8852: 8791: 8730: 8669: 8622: 8579: 8520: 8463: 8409: 8371: 8287: 8228: 8164: 8077: 8023: 7958: 7893: 7792: 7736: 7709:
Planck Collaboration (2016). "Planck 2015 Results. XIII. Cosmological Parameters".
7695: 7675: 7581: 7502: 7367: 7310: 7249: 7198: 7139: 7084: 7027: 6970: 6921: 6861: 6794: 6735: 5940: 5929: 5086: 4653: 4625: 4596: 4546: 3892: 3864: 3830: 3826: 3615: 3603: 3538: 2346: 1340: 1048: 1039:(hydrogen, helium, and lithium), and the spatial texture of minute irregularities ( 1028: 995: 852: 848: 773: 695: 497: 202: 12701: 12559: 12536:. page A6 (see PDF page 15, Table 2: "Age/Gyr", last column). 12472: 12449:. page A6 (see PDF page 15, Table 2: "Age/Gyr", last column). 12401: 11226: 11167: 10191: 9195: 9012: 8950: 8467: 8168: 7897: 7740: 7143: 3678:
feature, discovered in 2005 in the predicted location; and the statistics of weak
1135:
counted from the birth of the universe), defined relative to the present time, so
1066:
to describe the observable universe from approximately 0.1 s to the present.
507: 482: 12900: 12504: 10572: 10529: 10219: 8856: 7831: 7253: 7167:"The universal rotation curve of spiral galaxies — I. The dark matter connection" 7112:
Planck Collaboration (2020). "Planck 2018 results. VI. Cosmological parameters".
6619: 5945: 5603: 5098: 3663: 3659: 3651: 1044: 622: 557: 542: 527: 512: 502: 366: 263: 12339: 12256: 11962: 10509: 10452: 10394: 10270: 9126: 9073: 8375: 8027: 7585: 4876:{\displaystyle \rho _{\rm {b}}=\sum \int L\phi (L){\frac {M_{\rm {b}}}{L}}\,dL.} 4076:
Some authors postulate that the Hubble tension can be explained entirely by the
2064:{\displaystyle h\equiv H_{0}/(100\;\mathrm {km{\cdot }s^{-1}{\cdot }Mpc^{-1}} )} 12931: 12667: 12517:
Findings of the Joint Dark Energy Mission Figure of Merit Science Working Group
12019: 11858: 11678: 11642:"The High Fraction of Thin Disk Galaxies Continues to Challenge ΛCDM Cosmology" 11641: 11442: 11057: 11022: 10992: 10720: 10013: 9978: 9837: 9510: 9475: 8734: 8673: 8525: 8490: 8233: 8198: 7962: 7862:
Jacques Colin; Roya Mohayaee; Mohamed Rameez; Subir Sarkar (20 November 2019).
7411: 7315: 7089: 7054: 6698: 6686: 6099: 5102: 4710: 4690: 4060: 4053: 4046: 3822: 3806: 3782: 3767: 3583: 987: 607: 567: 12841:"Cosmological parameter estimation using Very Small Array data out to ℓ= 1500" 12234: 12199: 12090:"The Universe at z > 10: predictions for JWST from the UNIVERSEMACHINE DR1" 11640:
Haslbauer, M; Banik, I; Kroupa, P; Wittenburg, N; Javanmardi, B (2022-02-01).
10928: 10336: 8414: 8256:
B. Javanmardi; C. Porciani; P. Kroupa; J. Pflamm-Altenburg (August 27, 2015).
7372: 6925: 4636:
If galaxies grew hierarchically, then massive galaxies required many mergers.
13013: 12294: 12285: 12243: 12124: 12089: 11813: 11796: 11761: 11687: 11582: 11568: 11509: 11176: 11117: 11108: 10901:
Eleonora Di Valentino; Alessandro Melchiorri; Joseph Silk (4 November 2019).
10728: 10675: 10666: 10624: 10615: 10460: 10419:"Hyper Suprime-Cam Year 3 results: Cosmology from cosmic shear power spectra" 10402: 10344: 10286: 10199: 10141: 10022: 9963: 9781: 9722: 9713: 9678: 9578: 9519: 9460: 9451: 9416: 9020: 8958: 8864: 8803: 8742: 8681: 8584: 8557: 8534: 7970: 7641: 7381: 7261: 7203: 7166: 7039: 6933: 6808: 6657:
should be between 0 and 0.3, and the latest results are within those limits.
5362: 4637: 3899: 3797: 3713: 3607: 3569:. Much more precise spacecraft measurements of the microwave background from 1217:
denotes the age of the universe. The scale factor is related to the observed
1075: 868: 592: 577: 477: 12749: 11559: 11524: 11500: 11465: 11396: 11361: 9954: 9919: 9392: 9357: 8627: 8600: 6866: 6831: 3953:
in terms of its redshift, mass, and the collision velocity leads to strong (
3221:{\displaystyle t_{\Lambda }\equiv 2/(3H_{0}{\sqrt {\Omega _{\Lambda }}})\ ;} 2470:
can be conveniently rewritten in terms of the various density parameters as
12967: 12758: 12037: 11082:"The phenomenology of the external field effect in cold dark matter models" 10903:"Planck evidence for a closed Universe and a possible crisis for cosmology" 10475: 10083: 9865: 9187: 8641: 7687: 7618: 7440:"The Review of Particle Physics. 2. Astrophysical constants and parameters" 6888: 6598:). Their amplitude is parameterized by the tensor-to-scalar ratio (denoted 5359: 4686: 4454: 4238:
data collected using the Planck observatory) and late-time (e.g. measuring
3639: 3611: 597: 572: 547: 532: 388: 11525:"On the absence of backsplash analogues to NGC 3109 in the ΛCDM framework" 8258:"Probing the Isotropy of Cosmic Acceleration Traced By Type Ia Supernovae" 2796:
In the minimal 6-parameter Lambda-CDM model, it is assumed that curvature
12859: 12807: 12216: 12157: 11321: 11266: 10303:"DES Y3 + KiDS-1000: Consistent cosmology combining cosmic shear surveys" 10278: 9282: 8839: 8717: 8656: 7662: 7646:"Detection of polarization in the cosmic microwave background using DASI" 7354: 7185: 7014: 5949: 5717: 5106: 4698: 4617: 4527: 3980:
are however consistent with cosmological simulations in the framework of
3755: 3599: 3566: 3548:
These difficulties sharpened with the discovery of CMB anisotropy by the
2410: 2076: 983: 884: 767: 345: 338: 10104: 9343:"Line of galaxies is so big it breaks our understanding of the universe" 7679: 4620:
for it to have been flung out in a three-body interaction involving the
12586: 11805: 10132: 9268:
Gott, J. Richard III; et al. (May 2005). "A Map of the Universe".
8703:
Land, Kate; Magueijo, Joao (28 November 2005). "Is the Universe odd?".
4081: 3758:
is implied by observations only if the cosmological principle is true.
3587: 3557:
in 1998, and was quickly supported by other observations: in 2000, the
2786: 2072: 1040: 587: 12665: 12633: 6729: 4224:{\displaystyle S_{8}\equiv \sigma _{8}{\sqrt {\Omega _{\rm {m}}/0.3}}} 4137:
tension in cosmology is another major problem for the ΛCDM model. The
4096:
proposed a cosmological model with early dark energy to replace ΛCDM.
4092:
would resolve the Hubble tension. Another group of researchers led by
12818:
Heart of Darkness: Unraveling the mysteries of the invisible universe
10638:
Boruah, Supranta S; Hudson, Michael J; Lavaux, Guilhem (2020-09-21).
9041: 7930: 7568: 5925: 5097:
It has been argued that the ΛCDM model is built upon a foundation of
4621: 4592: 4580: 4003: 3655: 2378: 1024: 1023:", which was not an explosion but the abrupt appearance of expanding 826: 537: 9209:
Yadav, Jaswant; J. S. Bagla; Nishikanta Khandai (25 February 2010).
7645: 7031: 2416:
Since the densities of various species scale as different powers of
42: 12724: 12684: 12542: 12497: 12455: 12384: 12322: 12275: 12106: 12002: 11945: 11915: 11841: 11778: 11719: 11703:"Survival of pure disk galaxies over the last 8 billion years" 11660: 11541: 11482: 11425: 11338: 11149: 11098: 11039: 10919: 10756: 10656: 10605: 10551: 10525:"Clashing Cosmic Numbers Challenge Our Best Theory of the Universe" 10492: 10435: 10377: 10319: 10253: 10174: 10058: 9995: 9936: 9820: 9754: 9695: 9492: 9433: 9299: 9162: 9109: 9056: 8995: 8933: 8617: 8574: 8507: 8450: 8274: 8215: 8151: 8010: 7945: 7880: 7779: 7723: 7236: 7126: 7071: 6965: 6848: 6781: 6623: 4702: 4613: 4609: 4504: 4458: 4351: 4077: 3999: 3993: 3881: 3739: 3529: 2386: 1020: 864: 855:, scale invariance of empty space, and decaying dark matter (DDM). 751: 270: 172: 165: 12608: 11827:
Rini, Matteo (2017). "Synopsis: Tackling the Small-Scale Crisis".
11601: 11378: 11209: 10975: 10868: 10703: 9606: 9551: 9374: 9327: 9227: 9208: 9094: 8885: 8778: 8488: 8351:"Peculiar Velocity of the Sun and the Cosmic Microwave Background" 7489: 4002:
is an immense, comparatively empty region of space containing the
2976:
Observations show that the radiation density is very small today,
1463:
gives the expansion rate in terms of the matter+radiation density
30:"Standard cosmological model" redirects here. For other uses, see 12801:
Ostriker, J. P.; Steinhardt, P. J. (1995). "Cosmic Concordance".
11882:"NASA's Webb Reaches New Milestone in Quest for Distant Galaxies" 7991: 7765:
Michael Turner (12 Jan 2022). "The Road to Precision Cosmology".
4510: 4412: 4400: 3814: 12141:"The history of star formation in a Λ cold dark matter universe" 11193: 10568:"Fresh X-Rays Reveal a Universe as Clumpy as Cosmology Predicts" 10108:"Planck 2018 results: VI. Cosmological parameters (Corrigendum)" 6765:"An Alternative to the ΛCDM Model: The Case of Scale Invariance" 4798:
over the previously mentioned classes of astrophysical objects:
3805:. The same conclusion has been reached in recent studies of the 3447:{\displaystyle a=(\Omega _{\rm {m}}/2\Omega _{\Lambda })^{1/3},} 9651: 8979: 7644:; Carlstrom, J. E.; Halverson, N. W.; Holzapfel, W. L. (2002). 5634: 5622: 3923:
is a massive interacting galaxy cluster in the early Universe (
3771: 3019:; if this term is neglected the above has an analytic solution 2382: 2320: 876: 822: 780: 763: 11904:"Spectroscopy of four metal-poor galaxies beyond redshift ten" 11639: 9977:
Kenworthy, W. D'Arcy; Scolnic, Dan; Riess, Adam (2019-04-24).
9920:"Gaia Cepheid parallaxes and 'Local Hole' relieve H 0 tension" 9535:"Galaxy Cluster Bulk Flows and Collision Velocities in QUMOND" 12725:"The dark side of the cosmology: dark matter and dark energy" 12138: 12061:"Astronomers Grapple with JWST's Discovery of Early Galaxies" 11522: 11306: 10043: 4070: 3870: 1043:) in the CMB radiation. Cosmic inflation also addresses the " 11759: 10956: 10476:"Inconsistency Turns Up Again for Cosmological Observations" 9211:"Fractal dimension as a measure of the scale of homogeneity" 8435: 155: 11762:"Fast galaxy bars continue to challenge standard cosmology" 9805: 9801: 9799: 9533:
Katz, H; McGaugh, S; Teuben, P; Angus, G. W. (2013-07-20).
8824: 8395: 4089: 3981: 3719: 3570: 12962: 11986:"Stress testing ΛCDM with high-redshift galaxy candidates" 11581: 11466:"A plane of high velocity galaxies across the Local Group" 11250:"The cored distribution of dark matter in spiral galaxies" 10543: 9924:
Monthly Notices of the Royal Astronomical Society: Letters
8321:"Simple but challenging: the Universe according to Planck" 6634:
additional parameter is different from its default value.
5944:
these six parameters, the other model values, such as the
11130: 10154: 9147: 7639: 6629:
Allowing additional variable parameter(s) will generally
3902:, discovered in June 2021, which has a length of 1000 Mpc 10586: 10233: 9796: 6011:
multiplied by the square of the reduced Hubble constant
11020: 10688: 1775:
is the present-day density, which gives zero curvature
1459:
is the time-derivative of the scale factor. The first
10215:"A New Cosmic Tension: The Universe Might Be Too Thin" 9736:
SahlĂ©n, Martin; ZubeldĂ­a, ĂĂ±igo; Silk, Joseph (2016).
9532: 9267: 7438:
K.A. Olive; et al. (Particle Data Group) (2015).
5955:
Commonly, the set of observations fitted includes the
4775: 4738: 1339:
The expansion rate is described by the time-dependent
12915: 12911:
WMAP estimated cosmological parameters/Latest Summary
9976: 9917: 8892: 7002:
Publications of the Astronomical Society of Australia
6643: 6604: 6561: 6515: 6485: 6446: 6376: 6346: 6317: 6282: 6240: 5523: 5464: 5310: 5049: 5020: 4895: 4807: 4306: 4275: 4248: 4173: 4143: 4116: 4013: 3959: 3929: 3489: 3463: 3383: 3351: 3321: 3286: 3260: 3234: 3157: 3028: 2982: 2861: 2829: 2802: 2762: 2742: 2722: 2698: 2479: 2442: 2422: 2395: 2355: 2329: 2303: 2283: 2121: 2091: 1979: 1824: 1801: 1781: 1743: 1718: 1696: 1546: 1522: 1496: 1470: 1436: 1381: 1349: 1281: 1246: 1226: 1196: 1141: 1121: 1086: 957:, is estimated to be 0.669 ± 0.038 based on the 2018 936: 893: 12527: 12440: 12369: 10357: 9889:"The universe is expanding faster than it should be" 9676: 9320: 7992:
Asta Heinesen; Hayley J. Macpherson (15 July 2021).
7708: 7474: 7111: 6080:
is very close if not equal to this value, see below.
5996: 5994: 3909: 3867:, discovered in 2003, which has a length of 423 Mpc, 3622:(MOND) theory, which requires a modification of the 1329:{\displaystyle a(t_{\text{em}})={\frac {1}{1+z}}\,.} 1074:
The expansion of the universe is parameterized by a
1019:
The model includes a single originating event, the "
12308:Merritt, David (2017). "Cosmology and convention". 9918:Shanks, T; Hogarth, L M; Metcalfe, N (2019-03-21). 8491:"A Test of the Cosmological Principle with Quasars" 8398:"On the expected anisotropy of radio source counts" 8199:"A Test of the Cosmological Principle with Quasars" 7985: 6903: 6728:(2018-08-30). de Forcrand-Millard, Patricia (ed.). 3860:, discovered in 1991, which has a length of 580 Mpc 3778:suggest that isotropy is violated on large scales. 813:
hydrogen (including deuterium), helium, and lithium
67:. Unsourced material may be challenged and removed. 12800: 12132: 10637: 10415: 9735: 9473: 9414: 8911: 8349: 6649: 6610: 6574: 6538: 6494: 6462: 6409: 6355: 6323: 6288: 6253: 5539: 5497: 5328: 5070: 5032: 5003: 4875: 4790: 4761: 4652:If galaxies were embedded within massive halos of 4319: 4288: 4261: 4242:events) facilitate increasingly precise values of 4223: 4156: 4129: 4025: 3968: 3941: 3501: 3475: 3446: 3366: 3334: 3307: 3272: 3246: 3220: 3140: 3011: 2965: 2844: 2815: 2777: 2748: 2728: 2704: 2681: 2458: 2428: 2401: 2369: 2337: 2311: 2289: 2266: 2104: 2063: 1962: 1807: 1787: 1767: 1724: 1702: 1678: 1528: 1502: 1476: 1451: 1419: 1364: 1328: 1264: 1232: 1209: 1182: 1127: 1107: 949: 918: 12846:Monthly Notices of the Royal Astronomical Society 12263:Monthly Notices of the Royal Astronomical Society 12204:Monthly Notices of the Royal Astronomical Society 12145:Monthly Notices of the Royal Astronomical Society 12139:Volker Springel; Lars Hernquist (February 2003). 12094:Monthly Notices of the Royal Astronomical Society 11766:Monthly Notices of the Royal Astronomical Society 11529:Monthly Notices of the Royal Astronomical Society 11470:Monthly Notices of the Royal Astronomical Society 11410: 11366:Monthly Notices of the Royal Astronomical Society 11254:Monthly Notices of the Royal Astronomical Society 11086:Monthly Notices of the Royal Astronomical Society 10644:Monthly Notices of the Royal Astronomical Society 10593:Monthly Notices of the Royal Astronomical Society 9683:Monthly Notices of the Royal Astronomical Society 9591: 9421:Monthly Notices of the Royal Astronomical Society 9362:Monthly Notices of the Royal Astronomical Society 9215:Monthly Notices of the Royal Astronomical Society 8605:Monthly Notices of the Royal Astronomical Society 8562:Monthly Notices of the Royal Astronomical Society 8402:Monthly Notices of the Royal Astronomical Society 7926: 7924: 7922: 7342:Monthly Notices of the Royal Astronomical Society 7172:Monthly Notices of the Royal Astronomical Society 7052: 6996:Davis, Tamara M.; Lineweaver, Charles H. (2004). 6836:Monthly Notices of the Royal Astronomical Society 5991: 4545:Several discrepancies between the predictions of 4534: 3976:) tension with the ΛCDM model. The properties of 3877:discovered in 2011, which has a length of 780 Mpc 1420:{\displaystyle H(t)\equiv {\frac {\dot {a}}{a}},} 1008:Dissipationless: Cannot cool by radiating photons 13011: 12587:Jarosik, N. et al. (WMAP Collaboration) (2011). 11902:Curtis-Lake, Emma; et al. (December 2022). 11895: 10957:Philip Bull; Marc Kamionkowski (15 April 2013). 9677:Haslbauer, M; Banik, I; Kroupa, P (2020-12-21). 8396:G. F. R. Ellis; J. E. Baldwin (1 January 1984). 7864:"Evidence for anisotropy of cosmic acceleration" 7611: 5783:The present root-mean-square matter fluctuation 3825:time delay, Type Ia supernovae, and quasars and 3528:(CMB) in 1964 confirmed a key prediction of the 3012:{\displaystyle \Omega _{\text{rad}}\sim 10^{-4}} 12521: 12365: 12363: 12361: 12359: 12357: 12058: 11977: 11923: 11873: 7830: 7607: 7605: 7603: 7218:Bertone, Gianfranco; Hooper, Dan (2018-10-15). 6995: 6954: 4685:have resulted in various galaxies confirmed by 4603: 4472: 3817:. This contradicts the cosmological principle. 3682:, first observed in 2000 by several teams. The 3509:for the best-fit parameters estimated from the 2112:for various species as the dimensionless ratio 12815: 12722: 11983: 11247: 11080:Paranjape, Aseem; Sheth, Ravi K (2022-10-04). 11079: 9474:Asencio, E; Banik, I; Kroupa, P (2023-09-10). 9415:Asencio, E; Banik, I; Kroupa, P (2021-02-21). 7919: 7857: 7855: 7819:An Introduction to Modern Cosmology (2nd ed.). 7764: 7548: 7546: 7544: 7336:Persic, Massimo; Salucci, Paolo (1992-09-01). 6989: 6957:Journal of Cosmology and Astroparticle Physics 6716: 6714: 6066:is expressed in terms of the critical density 5889:Redshift of reionization (with uniform prior) 5071:{\displaystyle \Omega _{\rm {b}}\simeq 0.0486} 4511:Violations of the strong equivalence principle 883:, which is associated with a vacuum energy or 12816:Ostriker, Jeremiah P.; Mitton, Simon (2013). 12197: 12080: 11633: 10855:Annual Review of Nuclear and Particle Science 8347: 7767:Annual Review of Nuclear and Particle Science 7542: 7540: 7538: 7536: 7534: 7532: 7530: 7528: 7526: 7524: 7335: 7217: 5118:Planck Collaboration Cosmological parameters 3734:The ΛCDM model has been shown to satisfy the 2079:is not constant but actually time-dependent. 715: 12434: 12354: 11700: 11694: 11575: 9672: 9670: 9668: 9467: 9261: 8702: 8104: 7600: 7433: 7431: 6720: 4631: 4449:The ΛCDM model assumes that the data of the 3839: 12596:The Astrophysical Journal Supplement Series 12581: 12579: 12577: 11901: 11753: 10843: 10841: 10821:"The Energy of Empty Space That Isn't Zero" 9852: 8763: 7852: 7477:Annual Review of Astronomy and Astrophysics 7401: 7399: 6711: 6039: 6037: 6035: 6033: 6031: 5970:Parameter values listed below are from the 1069: 12052: 8049: 7521: 7437: 7273: 7271: 7164: 4978: 4647: 3748:Friedmann–LemaĂźtre–Robertson–Walker metric 3730:Friedmann–LemaĂźtre–Robertson–Walker metric 3596:Friedmann–LemaĂźtre–Robertson–Walker metric 2007: 1930: 1919: 1890: 1056:Friedmann–LemaĂźtre–Robertson–Walker metric 722: 708: 154: 12876: 12858: 12806: 12748: 12683: 12607: 12541: 12454: 12431:Planck 2015, p. 32, table 4, last column. 12422:Planck 2015, p. 32, table 4, last column. 12383: 12321: 12284: 12274: 12233: 12215: 12174: 12156: 12123: 12105: 12059:O'Callaghan, Jonathan (6 December 2022). 12027: 12001: 11944: 11914: 11840: 11795: 11777: 11736: 11718: 11677: 11659: 11600: 11558: 11540: 11499: 11481: 11463: 11424: 11395: 11377: 11359: 11353: 11320: 11283: 11265: 11208: 11166: 11148: 11107: 11097: 11056: 11038: 10974: 10918: 10885: 10867: 10755: 10702: 10665: 10655: 10614: 10604: 10550: 10491: 10434: 10376: 10318: 10252: 10173: 10131: 10057: 10012: 9994: 9953: 9935: 9819: 9771: 9753: 9712: 9694: 9665: 9605: 9568: 9550: 9509: 9491: 9450: 9432: 9391: 9373: 9326: 9281: 9244: 9226: 9161: 9108: 9055: 8994: 8932: 8838: 8777: 8716: 8655: 8626: 8616: 8583: 8573: 8524: 8506: 8449: 8413: 8273: 8232: 8214: 8150: 8081: 8009: 7944: 7879: 7778: 7760: 7758: 7722: 7661: 7567: 7488: 7428: 7371: 7353: 7314: 7277: 7235: 7202: 7184: 7125: 7088: 7070: 7013: 6964: 6865: 6847: 6798: 6780: 6682:List of cosmological computation software 6000:The "physical baryon density parameter" Ω 4863: 4769:), weighted with the luminosity function 4720: 4676: 4586: 3761: 3519: 3092: 2082:It is standard to define the present-day 1322: 127:Learn how and when to remove this message 12574: 10838: 9355: 9349: 7405: 7396: 7284:"Astrophysical Constants and Parameters" 6028: 5569:Effective number of relativistic degrees 4487: 4071:Violations of the cosmological principle 3720:Violations of the cosmological principle 3541:motivated models with critical density. 12307: 11464:Banik, Indranil; Zhao, H (2018-01-21). 11360:Pawlowski, Marcel; et al. (2014). 10959:"What if Planck's Universe isn't flat?" 10682: 9408: 7268: 6829: 6734:(1 ed.). Oxford University Press. 5186:Physical dark matter density parameter 4568: 3984:due to more rapid structure formation. 1768:{\displaystyle \rho _{\mathrm {crit} }} 14: 13012: 12838: 12198:Persic, M.; Salucci, P. (1992-09-01). 11879: 11404: 11300: 10847: 10749: 10565: 10522: 9886: 9638: 9141: 8598: 8555: 8341: 8313: 7755: 7507:10.1146/annurev.astro.46.060407.145243 6762: 5924:The simple ΛCDM model is based on six 3618:models and supporting the alternative 3315:gives the present age of the universe 819:accelerating expansion of the universe 10794: 9895:. National Geographic. Archived from 9202: 8062:Journal of Physics: Conference Series 8055: 4663: 4553: 3714:vacuum energy theoretical predictions 1795:, assuming the cosmological constant 12771: 12200:"The baryon content of the Universe" 11880:Cesari, Thaddeus (9 December 2022). 11826: 10473: 10212: 9887:Gresko, Michael (17 December 2021). 9858: 9526: 8107:"Do We Live in a Lopsided Universe?" 7338:"The baryon content of the Universe" 6692:Weakly interacting massive particles 6575:{\displaystyle \Omega _{\text{tot}}} 6507:Physical neutrino density parameter 6254:{\displaystyle \Omega _{\text{tot}}} 5952:density, can be readily calculated. 5498:{\displaystyle dn_{\text{s}}/d\ln k} 4616:is too massive and distant from the 3703: 3537:over the baryons, and the theory of 754:theory with three major components: 65:adding citations to reliable sources 36: 9585: 7556:Journal of High Energy Astrophysics 6555:model allow for spatial curvature ( 6539:{\displaystyle \Omega _{\nu }h^{2}} 6007:is the "baryon density parameter" Ω 5092: 4415:). Values have also obtained using 3889:Hercules–Corona Borealis Great Wall 821:observed in the light from distant 794:the existence and structure of the 24: 12794: 10887:10.1146/annurev-nucl-102010-130445 10213:Wood, Charlie (8 September 2020). 9644: 7797:10.1146/annurev-nucl-111119-041046 6740:10.1093/oso/9780198786399.001.0001 6563: 6517: 6242: 6210: 5785:averaged over a sphere of radius 8 5312: 5148:Physical baryon density parameter 5056: 5051: 4925: 4912: 4902: 4897: 4852: 4814: 4745: 4541:Cold dark matter § Challenges 4205: 4200: 3418: 3414: 3399: 3394: 3342:in terms of the other parameters. 3202: 3198: 3163: 3130: 3069: 3065: 3053: 3048: 2984: 2956: 2952: 2929: 2926: 2923: 2918: 2895: 2890: 2804: 2723: 2641: 2637: 2611: 2588: 2585: 2582: 2577: 2551: 2546: 2536: 2531: 2396: 2363: 2360: 2357: 2331: 2305: 2186: 2183: 2180: 2177: 2123: 2093: 2045: 2041: 2038: 2021: 2012: 2009: 1944: 1935: 1932: 1840: 1837: 1834: 1831: 1802: 1759: 1756: 1753: 1750: 1654: 1523: 1256: 1253: 950:{\displaystyle \Omega _{\Lambda }} 942: 938: 450:2dF Galaxy Redshift Survey ("2dF") 25: 13046: 12894: 11707:The Astrophysical Journal Letters 11248:Gentile, G.; Salucci, P. (2004). 9742:The Astrophysical Journal Letters 8262:The Astrophysical Journal Letters 8203:The Astrophysical Journal Letters 7447:Particle Data Group: Berkeley Lab 6274:Equation of state of dark energy 5939:"), except that most versions of 5416:Equation of state of dark energy 4040: 3910:El Gordo galaxy cluster collision 1265:{\displaystyle t_{\mathrm {em} }} 665:Timeline of cosmological theories 430:Cosmic Background Explorer (COBE) 12997: 12985: 12973: 12961: 12949: 12937: 12925: 12878:10.1111/j.1365-2966.2004.08102.x 12839:Rebolo, R.; et al. (2004). 12765: 12716: 12666:Planck Collaboration; Adam, R.; 12659: 12509: 12487: 12425: 12416: 12301: 12250: 12191: 12176:10.1046/j.1365-8711.2003.06207.x 11984:Boylan-Kolchin, Michael (2023). 11820: 11285:10.1111/j.1365-2966.2004.07836.x 10850:"The primordial lithium problem" 10307:The Open Journal of Astrophysics 9246:10.1111/j.1365-2966.2010.16612.x 7612:Matthew Chalmers (2 July 2021). 7165:Persic, M.; et al. (1996). 6159: 6132: 6105: 6092: 6083: 5292:Curvature fluctuation amplitude, 4521:The ΛCDM model assumes that the 4498:The ΛCDM model assumes that the 1183:{\displaystyle a_{0}=a(t_{0})=1} 1037:lighter elements in the universe 689: 678: 677: 41: 11701:Sachdeva, S.; Saha, K. (2016). 11516: 11457: 11241: 11187: 11124: 11073: 11014: 10950: 10894: 10813: 10795:Starr, Michelle (2 June 2020). 10788: 10764: 10743: 10631: 10580: 10559: 10537: 10523:Kruesi, Liz (19 January 2024). 10516: 10467: 10409: 10351: 10293: 10227: 10206: 10148: 10098: 10037: 9970: 9911: 9880: 9729: 9335: 9314: 9088: 9035: 8973: 8879: 8818: 8757: 8696: 8635: 8592: 8549: 8482: 8429: 8389: 8249: 8190: 8126: 8105:Lee Billings (April 15, 2020). 8098: 8058:"Dark energy and inhomogeneity" 7824: 7811: 7702: 7633: 7468: 7329: 7211: 7158: 6667:Bolshoi Cosmological Simulation 5329:{\displaystyle \Delta _{R}^{2}} 4438: 1064:cosmological equations of state 804:in the distribution of galaxies 445:Sloan Digital Sky Survey (SDSS) 298:Future of an expanding universe 52:needs additional citations for 32:Standard model (disambiguation) 10076:10.1103/PhysRevLett.122.221301 9180:10.1103/PhysRevLett.117.131302 8912:{\displaystyle L_{\text{X}}-T} 8348:Dennis Sciama (12 June 1967). 8083:10.1088/1742-6596/189/1/012011 7838:. John Wiley & Sons, Inc. 7614:"Exploring the Hubble tension" 7105: 7046: 6948: 6906:Astrophysics and Space Science 6897: 6882: 6823: 6756: 6672:Galaxy formation and evolution 6368:Running of the spectral index 5665:Dark matter density parameter 4841: 4835: 4785: 4779: 4640:inevitably create a classical 4535:Cold dark matter discrepancies 3785:shows hemispheric bias in the 3424: 3390: 3296: 3290: 3209: 3179: 3135: 3114: 3075: 3044: 3038: 3032: 2871: 2865: 2772: 2766: 2669: 2657: 2557: 2527: 2489: 2483: 2370:{\displaystyle \mathrm {rad} } 2238: 2219: 2167: 2148: 2058: 2001: 1900: 1894: 1391: 1385: 1359: 1353: 1298: 1285: 1171: 1158: 1102: 1096: 660:History of the Big Bang theory 456:Wilkinson Microwave Anisotropy 13: 1: 12498:LSST Science Book Version 2.0 9859:Mann, Adam (26 August 2019). 9808:Classical and Quantum Gravity 7933:Classical and Quantum Gravity 7640:Kovac, J. M.; Leitch, E. M.; 7410:(4 ed.). San Diego, CA: 6975:10.1088/1475-7516/2020/07/026 6705: 6582:may be different from 1); or 6463:{\displaystyle \sum m_{\nu }} 6438:Sum of three neutrino masses 6410:{\displaystyle dn_{s}/d\ln k} 5540:{\displaystyle \sum m_{\nu }} 5515:Sum of three neutrino masses 5112: 4435:(2020), among other methods. 4099: 3949:). The extreme properties of 3694: 3630:as seen in proposals such as 3374:crossing zero) occurred when 1240:of the light emitted at time 973:based on the 2018 release of 919:{\displaystyle p=-\rho c^{2}} 652:Discovery of cosmic microwave 303:Ultimate fate of the universe 12901:Cosmology tutorial/NedWright 12672:Astronomy & Astrophysics 12530:Astronomy & Astrophysics 12443:Astronomy & Astrophysics 12372:Astronomy & Astrophysics 11137:Astronomy & Astrophysics 10566:Kruesi, Liz (4 March 2024). 10162:Astronomy & Astrophysics 10124:10.1051/0004-6361/201833910e 10112:Astronomy & Astrophysics 8983:Astronomy & Astrophysics 8921:Astronomy & Astrophysics 8827:Astronomy & Astrophysics 8796:10.1088/2041-8205/714/2/L265 8438:Astronomy & Astrophysics 8326:ESA Science & Technology 8139:Astronomy & Astrophysics 7711:Astronomy & Astrophysics 7278:Tanabashi, M.; et al. ( 7254:10.1103/RevModPhys.90.045002 7114:Astronomy & Astrophysics 6731:Relativity in Modern Physics 6509: 6440: 6370: 6311: 6276: 6234: 5891: 5862: 5823: 5792: 5753: 5722: 5690: 5667: 5644: 5607: 5573: 5517: 5458: 5438: 5418: 5401: 5366: 5304: 5263: 5222: 5188: 5150: 5033:{\displaystyle h\simeq 0.72} 4604:High-velocity galaxy problem 4523:strong equivalence principle 4517:Strong equivalence principle 4479:Cosmological lithium problem 4473:Cosmological lithium problem 3669: 3636:tensor–vector–scalar gravity 3533:so-called critical density. 3228:this is fairly accurate for 2791:baryon acoustic oscillations 2338:{\displaystyle \mathrm {c} } 2312:{\displaystyle \mathrm {b} } 7: 12702:10.1051/0004-6361/201628897 12560:10.1051/0004-6361/201833910 12473:10.1051/0004-6361/201833910 12402:10.1051/0004-6361/201525830 12340:10.1016/j.shpsb.2016.12.002 11963:10.1103/PhysRevD.106.043526 11227:10.1051/0004-6361/201014892 11168:10.1051/0004-6361/202142060 10510:10.1103/PhysRevD.108.123519 10453:10.1103/PhysRevD.108.123519 10395:10.1103/PhysRevD.108.123518 10271:10.1103/PhysRevD.105.023520 10192:10.1051/0004-6361/202039063 9356:Nadathur, Seshadri (2013). 9127:10.1103/PhysRevD.105.103510 9074:10.1103/PhysRevD.105.063514 9013:10.1051/0004-6361/202140296 8951:10.1051/0004-6361/201936602 8468:10.1051/0004-6361/202039840 8376:10.1103/PhysRevLett.18.1065 8169:10.1051/0004-6361/201936602 8028:10.1103/PhysRevD.104.023525 7898:10.1051/0004-6361/201936373 7741:10.1051/0004-6361/201525830 7586:10.1016/j.jheap.2022.04.002 7144:10.1051/0004-6361/201833910 6800:10.3847/1538-4357/834/2/194 6660: 5961:baryon acoustic oscillation 5957:cosmic microwave background 4451:cosmic microwave background 3987: 3969:{\displaystyle 6.16\sigma } 3803:cosmic microwave background 3787:cosmic microwave background 3742:) and from every location ( 3676:baryon acoustic oscillation 3662:and its extensions such as 3620:modified Newtonian dynamics 3526:cosmic microwave background 3367:{\displaystyle {\ddot {a}}} 3280:million years. Solving for 2816:{\displaystyle \Omega _{k}} 2105:{\displaystyle \Omega _{x}} 1033:cosmic microwave background 926:, which contributes to the 858: 845:modified Newtonian dynamics 796:cosmic microwave background 420:Black Hole Initiative (BHI) 27:Model of Big Bang cosmology 18:Standard cosmological model 10: 13051: 12822:Princeton University Press 12626:10.1088/0067-0049/192/2/14 12020:10.1038/s41550-023-01937-7 11859:10.1103/PhysRevD.95.121302 11738:10.3847/2041-8205/820/1/L4 11619:10.1088/0004-637X/723/1/54 11443:10.1038/s41550-022-01856-z 11197:Astronomy and Astrophysics 10993:10.1103/PhysRevD.87.081301 10721:10.1103/PhysRevD.87.043511 10474:Yoon, Mijin (2023-12-11). 9773:10.3847/2041-8205/820/1/L7 9624:10.1088/0004-637X/775/1/62 9570:10.1088/0004-637X/772/1/10 8857:10.1051/0004-6361:20053337 8735:10.1103/PhysRevD.72.101302 8674:10.1103/PhysRevD.69.063516 8292:10.1088/0004-637X/810/1/47 7868:Astronomy and Astrophysics 7316:10.1103/PhysRevD.98.030001 7053:DES Collaboration (2018). 6216:Extended model parameters 5965:weak gravitational lensing 5595: 5456:Running of spectral index 5099:conventionalist stratagems 4762:{\textstyle M_{\rm {b}}/L} 4724: 4689:at high redshift, such as 4683:James Webb Space Telescope 4591:Dwarf galaxies around the 4572: 4557: 4538: 4514: 4491: 4476: 4442: 4240:weak gravitational lensing 4044: 3991: 3913: 3723: 3550:Cosmic Background Explorer 3502:{\displaystyle z\sim 0.66} 1711:is the speed of light and 1452:{\displaystyle {\dot {a}}} 183:Chronology of the universe 29: 12778:"Cosmological Parameters" 12772:Zyla, P.A.; et al. ( 11647:The Astrophysical Journal 11588:The Astrophysical Journal 11027:The Astrophysical Journal 10929:10.1038/s41550-019-0906-9 10337:10.21105/astro.2305.17173 9983:The Astrophysical Journal 9594:The Astrophysical Journal 9539:The Astrophysical Journal 9480:The Astrophysical Journal 9270:The Astrophysical Journal 8766:The Astrophysical Journal 8599:Singal, Ashok K. (2022). 8556:Singal, Ashok K. (2022). 8495:The Astrophysical Journal 7224:Reviews of Modern Physics 7059:The Astrophysical Journal 6926:10.1007/s10509-018-3365-3 6769:The Astrophysical Journal 5688:Matter density parameter 5642:Baryon density parameter 5391: 5138: 5083:Sunyaev–Zel'dovich effect 4632:Galaxy morphology problem 3916:El Gordo (galaxy cluster) 3840:Violations of homogeneity 3476:{\displaystyle a\sim 0.6} 3247:{\displaystyle a>0.01} 786:It is referred to as the 276:Expansion of the universe 11679:10.3847/1538-4357/ac46ac 11058:10.3847/1538-4357/abbb96 10014:10.3847/1538-4357/ab0ebf 9838:10.1088/1361-6382/ac086d 9511:10.3847/1538-4357/ace62a 8526:10.3847/2041-8213/abdd40 8234:10.3847/2041-8213/abdd40 8056:Ellis, G. F. R. (2009). 7963:10.1088/1361-6382/ac1a81 7406:Dodelson, Scott (2008). 7220:"History of dark matter" 7090:10.3847/2041-8213/ab04fa 6830:Brouwer, Margot (2017). 6495:{\displaystyle 2\sigma } 6356:{\displaystyle 2\sigma } 6232:Total density parameter 5399:Total density parameter 5105:in the sense defined by 4445:Axis of evil (cosmology) 4080:, as measuring galactic 4033:or Einstein's theory of 3624:Einstein field equations 2852:, so this simplifies to 2402:{\displaystyle \Lambda } 1808:{\displaystyle \Lambda } 1529:{\displaystyle \Lambda } 1070:Cosmic expansion history 440:Planck space observatory 226:Gravitational wave (GWB) 12750:10.1126/science.aaa0980 12723:Spergel, D. N. (2015). 12694:2016A&A...596A.108P 12552:2020A&A...641A...6P 12465:2020A&A...641A...6P 12394:2016A&A...594A..13P 12235:10.1093/mnras/258.1.14P 11219:2010A&A...523A..32K 11159:2022A&A...658A..26F 10184:2021A&A...646A.140H 10046:Physical Review Letters 9150:Physical Review Letters 9005:2021A&A...649A.151M 8943:2020A&A...636A..15M 8849:2005A&A...441..915H 8460:2021A&A...653A...9S 8415:10.1093/mnras/206.2.377 8356:Physical Review Letters 8161:2020A&A...636A..15M 7890:2019A&A...631L..13C 7733:2016A&A...594A..13P 7499:2008ARA&A..46..385F 7373:10.1093/mnras/258.1.14P 7136:2020A&A...641A...6P 6918:2018Ap&SS.363..139D 6893:A&A 523, 32 (2010). 6309:Tensor-to-scalar ratio 5821:Redshift at decoupling 4670:too many dwarf galaxies 4648:Fast galaxy bar problem 4507:of positive curvature. 3632:modified gravity theory 3273:{\displaystyle t>10} 2729:{\displaystyle \Omega } 832:The model assumes that 740:Lambda cold dark matter 293:Inhomogeneous cosmology 12785:Prog. Theor. Exp. Phys 12286:10.1093/mnras/staa3782 12125:10.1093/mnras/staa3164 11797:10.1093/mnras/stab2553 11109:10.1093/mnras/stac2689 10848:Fields, B. D. (2011). 10667:10.1093/mnras/staa2485 10616:10.1093/mnras/staa2032 10545:Galactic Hemisphere". 9893:nationalgeographic.com 9714:10.1093/mnras/staa2348 9452:10.1093/mnras/staa3441 8913: 8585:10.1093/mnras/stac1986 7204:10.1093/mnras/278.1.27 6763:Maeder, Andre (2017). 6651: 6612: 6576: 6540: 6496: 6464: 6411: 6357: 6325: 6290: 6255: 6156:/ (100 km⋅s⋅Mpc). 6129:/ (100 km⋅s⋅Mpc). 5541: 5499: 5330: 5261:Scalar spectral index 5072: 5034: 5005: 4877: 4792: 4763: 4727:Missing baryon problem 4721:Missing baryon problem 4681:Observations from the 4677:High redshift galaxies 4587:Satellite disk problem 4467:cosmological principle 4321: 4290: 4263: 4225: 4158: 4131: 4027: 4026:{\displaystyle z=1100} 3970: 3943: 3942:{\displaystyle z=0.87} 3762:Violations of isotropy 3754:in the ΛCDM model, as 3736:cosmological principle 3726:Cosmological principle 3644:scalar–tensor theories 3555:accelerating expansion 3520:Historical development 3503: 3477: 3448: 3368: 3336: 3309: 3308:{\displaystyle a(t)=1} 3274: 3248: 3222: 3142: 3013: 2967: 2846: 2817: 2779: 2750: 2730: 2706: 2683: 2460: 2459:{\displaystyle a^{-3}} 2430: 2403: 2371: 2339: 2313: 2291: 2268: 2106: 2065: 1964: 1809: 1789: 1769: 1737:. A critical density 1735:gravitational constant 1726: 1704: 1680: 1530: 1504: 1478: 1453: 1421: 1366: 1330: 1266: 1234: 1211: 1184: 1129: 1109: 1108:{\displaystyle a=a(t)} 951: 920: 13030:Concepts in astronomy 12906:Millennium Simulation 11560:10.1093/mnras/stab751 11501:10.1093/mnras/stx2596 11397:10.1093/mnras/stu1005 11309:Astrophysical Journal 9955:10.1093/mnrasl/sly239 9393:10.1093/mnras/stt1028 8914: 8628:10.1093/mnras/stac144 6867:10.1093/mnras/stw3192 6652: 6613: 6588:cosmological constant 6577: 6541: 6497: 6465: 6412: 6358: 6326: 6291: 6256: 6177:/ (100 km⋅s⋅Mpc) 6023:/ (100 km⋅s⋅Mpc) 5542: 5500: 5331: 5073: 5035: 5006: 4878: 4793: 4791:{\textstyle \phi (L)} 4764: 4695:cosmological redshift 4500:shape of the universe 4494:Shape of the universe 4488:Shape of the universe 4322: 4320:{\displaystyle S_{8}} 4291: 4289:{\displaystyle S_{8}} 4264: 4262:{\displaystyle S_{8}} 4226: 4159: 4157:{\displaystyle S_{8}} 4132: 4130:{\displaystyle S_{8}} 4028: 3971: 3944: 3791:European Space Agency 3752:cosmological constant 3680:gravitational lensing 3602:. On the other hand, 3524:The discovery of the 3504: 3478: 3449: 3369: 3337: 3335:{\displaystyle t_{0}} 3310: 3275: 3249: 3223: 3143: 3014: 2968: 2847: 2818: 2780: 2751: 2736:parameters add up to 2731: 2707: 2684: 2466:for matter etc., the 2461: 2431: 2404: 2372: 2340: 2314: 2292: 2269: 2107: 2066: 1965: 1810: 1790: 1770: 1727: 1705: 1681: 1531: 1514:cosmological constant 1505: 1479: 1477:{\displaystyle \rho } 1454: 1422: 1367: 1331: 1267: 1235: 1212: 1210:{\displaystyle t_{0}} 1185: 1130: 1110: 992:gravitational lensing 952: 921: 881:cosmological constant 838:concordance cosmology 802:large-scale structure 766:(Λ), associated with 760:cosmological constant 384:Large-scale structure 362:Shape of the universe 12585:Table 8 on p. 39 of 9899:on December 17, 2021 8890: 7821:London: Wiley, 2003. 6701:of particle physics. 6641: 6602: 6559: 6513: 6483: 6444: 6374: 6344: 6315: 6280: 6238: 5937:Theory of Everything 5521: 5462: 5436:Tensor/scalar ratio 5308: 5047: 5018: 4893: 4805: 4773: 4736: 4715:Population III stars 4673:error in the model. 4575:Dwarf galaxy problem 4569:Dwarf galaxy problem 4463:Copernican principle 4304: 4273: 4246: 4171: 4141: 4114: 4011: 3957: 3927: 3858:Clowes–Campusano LQG 3487: 3461: 3381: 3349: 3319: 3284: 3258: 3232: 3155: 3026: 2980: 2859: 2845:{\displaystyle w=-1} 2827: 2800: 2778:{\displaystyle a(t)} 2760: 2740: 2720: 2696: 2477: 2440: 2420: 2393: 2353: 2327: 2301: 2281: 2277:where the subscript 2119: 2089: 1977: 1822: 1799: 1779: 1741: 1716: 1694: 1544: 1520: 1494: 1468: 1434: 1379: 1365:{\displaystyle H(t)} 1347: 1279: 1244: 1224: 1194: 1139: 1119: 1084: 934: 928:stress–energy tensor 891: 696:Astronomy portal 654:background radiation 631:List of cosmologists 61:improve this article 12869:2004MNRAS.353..747R 12774:Particle Data Group 12741:2015Sci...347.1100S 12735:(6226): 1100–1102. 12618:2011ApJS..192...14J 12332:2017SHPMP..57...41M 12226:1992MNRAS.258P..14P 12167:2003MNRAS.339..312S 12116:2020MNRAS.499.5702B 12066:Scientific American 12012:2023NatAs...7..731B 11955:2022PhRvD.106d3526S 11851:2017PhRvD..95l1302N 11788:2021MNRAS.508..926R 11729:2016ApJ...820L...4S 11670:2022ApJ...925..183H 11611:2010ApJ...723...54K 11551:2021MNRAS.503.6170B 11492:2018MNRAS.473.4033B 11435:2023NatAs...7..481S 11388:2014MNRAS.442.2362P 11331:1999ApJ...522...82K 11276:2004MNRAS.351..903G 11049:2020ApJ...904...51C 10985:2013PhRvD..87h1301B 10878:2011ARNPS..61...47F 10713:2013PhRvD..87d3511M 10502:2023PhRvD.108l3519D 10445:2023PhRvD.108l3519D 10387:2023PhRvD.108l3518L 10329:2023OJAp....6E..36D 10263:2022PhRvD.105b3520A 10068:2019PhRvL.122v1301P 10005:2019ApJ...875..145K 9946:2019MNRAS.484L..64S 9830:2021CQGra..38o3001D 9764:2016ApJ...820L...7S 9705:2020MNRAS.499.2845H 9616:2013ApJ...775...62K 9561:2013ApJ...772...10K 9502:2023ApJ...954..162A 9443:2021MNRAS.500.5249A 9384:2013MNRAS.434..398N 9292:2005ApJ...624..463G 9237:2010MNRAS.405.2009Y 9172:2016PhRvL.117m1302S 9119:2022PhRvD.105j3510L 9066:2022PhRvD.105f3514K 8919:scaling relation". 8788:2010ApJ...714L.265K 8727:2005PhRvD..72j1302L 8666:2004PhRvD..69f3516D 8517:2021ApJ...908L..51S 8368:1967PhRvL..18.1065S 8284:2015ApJ...810...47J 8225:2021ApJ...908L..51S 8112:Scientific American 8074:2009JPhCS.189a2011E 8020:2021PhRvD.104b3525M 7955:2021CQGra..38r4001K 7789:2022ARNPS..72....1T 7680:10.1038/nature01269 7672:2002Natur.420..772K 7578:2022JHEAp..34...49A 7364:1992MNRAS.258P..14P 7307:2018PhRvD..98c0001T 7299:Particle Data Group 7280:Particle Data Group 7246:2018RvMP...90d5002B 7195:1996MNRAS.281...27P 7081:2019ApJ...872L..30A 7024:2004PASA...21...97D 6858:2017MNRAS.466.2547B 6791:2017ApJ...834..194M 6726:Uzan, Jean-Philippe 6596:gravitational waves 6217: 6102:of particle physics 5984:Planck (spacecraft) 5325: 5219:Age of the universe 5119: 4417:peculiar velocities 4066:National Geographic 3628:Friedmann equations 3457:which evaluates to 2260: 1869: 1060:Friedmann equations 1054:The model uses the 998:, hypothesized as: 396:Structure formation 288:Friedmann equations 178:Age of the universe 142:Part of a series on 12503:2013-02-26 at the 8909: 8329:. October 5, 2016 8145:(April 2020): 42. 7456:on 3 December 2015 6722:Deruelle, Nathalie 6647: 6608: 6572: 6536: 6492: 6460: 6407: 6353: 6321: 6286: 6251: 6215: 5860:Age at decoupling 5720:density parameter 5537: 5495: 5326: 5311: 5117: 5087:dark matter haloes 5068: 5030: 5001: 4873: 4788: 4759: 4664:Small scale crisis 4658:dynamical friction 4560:Cuspy halo problem 4554:Cuspy halo problem 4457:, the rotation of 4317: 4286: 4259: 4234:Early- (e.g. from 4221: 4154: 4127: 4035:general relativity 4023: 3966: 3939: 3875:large quasar group 3846:N-body simulations 3811:Type Ia supernovae 3776:type Ia supernovae 3499: 3473: 3444: 3364: 3332: 3305: 3270: 3244: 3218: 3138: 3009: 2963: 2842: 2813: 2775: 2746: 2726: 2702: 2679: 2468:Friedmann equation 2456: 2426: 2399: 2385:plus relativistic 2367: 2335: 2309: 2287: 2264: 2246: 2102: 2061: 1960: 1855: 1805: 1785: 1765: 1722: 1700: 1676: 1526: 1500: 1474: 1461:Friedmann equation 1449: 1417: 1362: 1326: 1262: 1230: 1207: 1180: 1125: 1105: 963:Type Ia supernovae 959:Dark Energy Survey 947: 916: 834:general relativity 748:mathematical model 435:Dark Energy Survey 379:Large quasar group 148:Physical cosmology 76:"Lambda-CDM model" 13035:Scientific models 12831:978-0-691-13430-7 12820:. Princeton, NJ: 11933:Physical Review D 11829:Physical Review D 10963:Physical Review D 10691:Physical Review D 10423:Physical Review D 10365:Physical Review D 10241:Physical Review D 9097:Physical Review D 9044:Physical Review D 8900: 8705:Physical Review D 8644:Physical Review D 8362:(24): 1065–1067. 7998:Physical Review D 7845:978-0-471-92567-5 7656:(6917): 772–787. 7421:978-0-12-219141-1 7291:Physical Review D 6749:978-0-19-878639-9 6677:Illustris project 6650:{\displaystyle r} 6611:{\displaystyle r} 6592:equation of state 6569: 6552: 6551: 6433:= 0.002 Mpc 6324:{\displaystyle r} 6289:{\displaystyle w} 6248: 6138:Calculated from Ω 6111:Calculated from Ω 5922: 5921: 5475: 4931: 4861: 4377:(2023 DES+KIDS), 4219: 4094:Marc Kamionkowski 3796:Already in 1967, 3704:Lack of detection 3652:brane cosmologies 3573:in 2003–2010 and 3361: 3214: 3207: 2990: 2961: 2749:{\displaystyle 1} 2714:equation of state 2705:{\displaystyle w} 2674: 2510: 2505: 2429:{\displaystyle a} 2290:{\displaystyle x} 2262: 2192: 2084:density parameter 1882: 1788:{\displaystyle k} 1725:{\displaystyle G} 1703:{\displaystyle c} 1671: 1646: 1611: 1580: 1575: 1503:{\displaystyle k} 1446: 1412: 1407: 1320: 1295: 1233:{\displaystyle z} 1128:{\displaystyle t} 879:) represents the 732: 731: 403: 402: 245: 244: 137: 136: 129: 111: 16:(Redirected from 13042: 13002: 13001: 13000: 12990: 12989: 12988: 12978: 12977: 12976: 12966: 12965: 12954: 12953: 12952: 12942: 12941: 12930: 12929: 12921: 12890: 12880: 12862: 12860:astro-ph/0402466 12835: 12812: 12810: 12808:astro-ph/9505066 12789: 12788: 12782: 12769: 12763: 12762: 12752: 12720: 12714: 12713: 12687: 12663: 12657: 12651: 12649: 12648: 12611: 12593: 12583: 12572: 12571: 12545: 12525: 12519: 12513: 12507: 12491: 12485: 12484: 12458: 12438: 12432: 12429: 12423: 12420: 12414: 12413: 12387: 12367: 12352: 12351: 12325: 12305: 12299: 12298: 12288: 12278: 12269:(2): 1798–1814. 12254: 12248: 12247: 12237: 12219: 12217:astro-ph/0502178 12195: 12189: 12188: 12178: 12160: 12158:astro-ph/0206395 12136: 12130: 12129: 12127: 12109: 12100:(4): 5702–5718. 12084: 12078: 12077: 12075: 12073: 12056: 12050: 12049: 12031: 12005: 11990:Nature Astronomy 11981: 11975: 11974: 11948: 11927: 11921: 11920: 11918: 11908: 11899: 11893: 11892: 11890: 11888: 11877: 11871: 11870: 11844: 11824: 11818: 11817: 11799: 11781: 11757: 11751: 11750: 11740: 11722: 11698: 11692: 11691: 11681: 11663: 11637: 11631: 11630: 11604: 11579: 11573: 11572: 11562: 11544: 11535:(4): 6170–6186. 11520: 11514: 11513: 11503: 11485: 11476:(3): 4033–4054. 11461: 11455: 11454: 11428: 11413:Nature Astronomy 11408: 11402: 11401: 11399: 11381: 11372:(3): 2362–2380. 11357: 11351: 11350: 11324: 11322:astro-ph/9901240 11304: 11298: 11297: 11287: 11269: 11267:astro-ph/0403154 11245: 11239: 11238: 11212: 11191: 11185: 11184: 11170: 11152: 11128: 11122: 11121: 11111: 11101: 11077: 11071: 11070: 11060: 11042: 11018: 11012: 11011: 11009: 11007: 10978: 10954: 10948: 10947: 10945: 10943: 10922: 10907:Nature Astronomy 10898: 10892: 10891: 10889: 10871: 10845: 10836: 10835: 10833: 10832: 10817: 10811: 10810: 10808: 10807: 10792: 10786: 10785: 10783: 10782: 10768: 10762: 10761: 10759: 10747: 10741: 10740: 10706: 10686: 10680: 10679: 10669: 10659: 10650:(2): 2703–2718. 10635: 10629: 10628: 10618: 10608: 10599:(1): 1275–1293. 10584: 10578: 10577: 10563: 10557: 10556: 10554: 10541: 10535: 10534: 10520: 10514: 10513: 10495: 10471: 10465: 10464: 10438: 10413: 10407: 10406: 10380: 10355: 10349: 10348: 10322: 10297: 10291: 10290: 10256: 10231: 10225: 10224: 10210: 10204: 10203: 10177: 10152: 10146: 10145: 10135: 10102: 10096: 10095: 10061: 10041: 10035: 10034: 10016: 9998: 9974: 9968: 9967: 9957: 9939: 9915: 9909: 9908: 9906: 9904: 9884: 9878: 9877: 9875: 9873: 9856: 9850: 9849: 9823: 9803: 9794: 9793: 9775: 9757: 9733: 9727: 9726: 9716: 9698: 9689:(2): 2845–2883. 9674: 9663: 9662: 9660: 9659: 9642: 9636: 9635: 9609: 9589: 9583: 9582: 9572: 9554: 9530: 9524: 9523: 9513: 9495: 9471: 9465: 9464: 9454: 9436: 9427:(2): 5249–5267. 9412: 9406: 9405: 9395: 9377: 9353: 9347: 9346: 9339: 9333: 9332: 9330: 9318: 9312: 9311: 9285: 9283:astro-ph/0310571 9265: 9259: 9258: 9248: 9230: 9221:(3): 2009–2015. 9206: 9200: 9199: 9165: 9145: 9139: 9138: 9112: 9092: 9086: 9085: 9059: 9039: 9033: 9032: 8998: 8977: 8971: 8970: 8936: 8918: 8916: 8915: 8910: 8902: 8901: 8898: 8883: 8877: 8876: 8842: 8840:astro-ph/0507274 8822: 8816: 8815: 8781: 8772:(2): L265–L267. 8761: 8755: 8754: 8720: 8718:astro-ph/0507289 8700: 8694: 8693: 8659: 8657:astro-ph/0307282 8639: 8633: 8632: 8630: 8620: 8611:(2): 1819–1829. 8596: 8590: 8589: 8587: 8577: 8568:(4): 5969–5980. 8553: 8547: 8546: 8528: 8510: 8486: 8480: 8479: 8453: 8433: 8427: 8426: 8424: 8422: 8417: 8393: 8387: 8386: 8384: 8382: 8353: 8345: 8339: 8338: 8336: 8334: 8317: 8311: 8310: 8308: 8306: 8277: 8253: 8247: 8246: 8236: 8218: 8194: 8188: 8187: 8185: 8183: 8154: 8130: 8124: 8123: 8121: 8119: 8102: 8096: 8095: 8085: 8053: 8047: 8046: 8044: 8042: 8013: 7989: 7983: 7982: 7948: 7928: 7917: 7916: 7914: 7912: 7883: 7859: 7850: 7849: 7828: 7822: 7815: 7809: 7808: 7782: 7762: 7753: 7752: 7726: 7706: 7700: 7699: 7665: 7663:astro-ph/0209478 7637: 7631: 7630: 7628: 7626: 7609: 7598: 7597: 7571: 7550: 7519: 7518: 7492: 7472: 7466: 7465: 7463: 7461: 7455: 7449:. Archived from 7444: 7435: 7426: 7425: 7408:Modern cosmology 7403: 7394: 7393: 7375: 7357: 7355:astro-ph/0502178 7333: 7327: 7326: 7324: 7323: 7318: 7288: 7275: 7266: 7265: 7239: 7215: 7209: 7208: 7206: 7188: 7186:astro-ph/9506004 7162: 7156: 7155: 7129: 7109: 7103: 7102: 7092: 7074: 7050: 7044: 7043: 7017: 7015:astro-ph/0310808 6993: 6987: 6986: 6968: 6952: 6946: 6945: 6901: 6895: 6886: 6880: 6879: 6869: 6851: 6842:(3): 2547–2559. 6827: 6821: 6820: 6802: 6784: 6760: 6754: 6753: 6718: 6656: 6654: 6653: 6648: 6617: 6615: 6614: 6609: 6581: 6579: 6578: 6573: 6571: 6570: 6567: 6545: 6543: 6542: 6537: 6535: 6534: 6525: 6524: 6501: 6499: 6498: 6493: 6469: 6467: 6466: 6461: 6459: 6458: 6425: 6423: 6416: 6414: 6413: 6408: 6394: 6389: 6388: 6362: 6360: 6359: 6354: 6330: 6328: 6327: 6322: 6304: 6302: 6295: 6293: 6292: 6287: 6269: 6267: 6260: 6258: 6257: 6252: 6250: 6249: 6246: 6218: 6214: 6204: 6202: 6197: 6195: 6192: 6178: 6165:Calculated from 6163: 6157: 6136: 6130: 6109: 6103: 6096: 6090: 6087: 6081: 6065: 6041: 6026: 6024: 5998: 5941:cosmic inflation 5918: 5916: 5909: 5908: 5907: 5880: 5878: 5875: 5855: 5853: 5849: 5842: 5840: 5836: 5816: 5814: 5807: 5805: 5775: 5770: 5766: 5750:Critical density 5744: 5742: 5735: 5733: 5712: 5710: 5703: 5701: 5680: 5678: 5657: 5655: 5637: 5632: 5625: 5620: 5591: 5589: 5546: 5544: 5543: 5538: 5536: 5535: 5504: 5502: 5501: 5496: 5482: 5477: 5476: 5473: 5387: 5385: 5378: 5376: 5351: 5349: 5346: 5345: 5335: 5333: 5332: 5327: 5324: 5319: 5302: 5287: 5285: 5278: 5276: 5255: 5253: 5249: 5241: 5239: 5235: 5213: 5211: 5204: 5202: 5181: 5179: 5172: 5171: 5167: 5164: 5120: 5116: 5093:Unfalsifiability 5077: 5075: 5074: 5069: 5061: 5060: 5059: 5039: 5037: 5036: 5031: 5010: 5008: 5007: 5002: 4991: 4990: 4977: 4976: 4955: 4954: 4933: 4932: 4929: 4920: 4919: 4907: 4906: 4905: 4886:The result was: 4882: 4880: 4879: 4874: 4862: 4857: 4856: 4855: 4845: 4819: 4818: 4817: 4797: 4795: 4794: 4789: 4768: 4766: 4765: 4760: 4755: 4750: 4749: 4748: 4701:at cosmological 4654:cold dark matter 4626:Andromeda Galaxy 4608:Galaxies in the 4547:cold dark matter 4434: 4432: 4426: 4424: 4410: 4408: 4398: 4397: 4396: 4387: 4386: 4385: 4376: 4375: 4374: 4361: 4359: 4349: 4348: 4347: 4334: 4332: 4326: 4324: 4323: 4318: 4316: 4315: 4300:Some values for 4295: 4293: 4292: 4287: 4285: 4284: 4268: 4266: 4265: 4260: 4258: 4257: 4230: 4228: 4227: 4222: 4220: 4215: 4210: 4209: 4208: 4198: 4196: 4195: 4183: 4182: 4163: 4161: 4160: 4155: 4153: 4152: 4136: 4134: 4133: 4128: 4126: 4125: 4032: 4030: 4029: 4024: 3975: 3973: 3972: 3967: 3948: 3946: 3945: 3940: 3865:Sloan Great Wall 3831:standard candles 3827:gamma-ray bursts 3664:bimetric gravity 3634:(MOG theory) or 3616:galaxy formation 3539:cosmic inflation 3508: 3506: 3505: 3500: 3482: 3480: 3479: 3474: 3453: 3451: 3450: 3445: 3440: 3439: 3435: 3422: 3421: 3409: 3404: 3403: 3402: 3373: 3371: 3370: 3365: 3363: 3362: 3354: 3341: 3339: 3338: 3333: 3331: 3330: 3314: 3312: 3311: 3306: 3279: 3277: 3276: 3271: 3253: 3251: 3250: 3245: 3227: 3225: 3224: 3219: 3212: 3208: 3206: 3205: 3196: 3194: 3193: 3178: 3167: 3166: 3147: 3145: 3144: 3139: 3134: 3133: 3124: 3110: 3109: 3105: 3091: 3090: 3086: 3073: 3072: 3063: 3058: 3057: 3056: 3018: 3016: 3015: 3010: 3008: 3007: 2992: 2991: 2988: 2972: 2970: 2969: 2964: 2962: 2960: 2959: 2947: 2946: 2934: 2933: 2932: 2913: 2912: 2900: 2899: 2898: 2888: 2886: 2885: 2851: 2849: 2848: 2843: 2822: 2820: 2819: 2814: 2812: 2811: 2784: 2782: 2781: 2776: 2755: 2753: 2752: 2747: 2735: 2733: 2732: 2727: 2711: 2709: 2708: 2703: 2688: 2686: 2685: 2680: 2675: 2673: 2672: 2645: 2644: 2632: 2631: 2619: 2618: 2606: 2605: 2593: 2592: 2591: 2572: 2571: 2556: 2555: 2554: 2541: 2540: 2539: 2526: 2524: 2523: 2511: 2506: 2498: 2496: 2465: 2463: 2462: 2457: 2455: 2454: 2435: 2433: 2432: 2427: 2408: 2406: 2405: 2400: 2376: 2374: 2373: 2368: 2366: 2347:cold dark matter 2344: 2342: 2341: 2336: 2334: 2318: 2316: 2315: 2310: 2308: 2296: 2294: 2293: 2288: 2273: 2271: 2270: 2265: 2263: 2261: 2259: 2254: 2241: 2237: 2236: 2218: 2217: 2198: 2193: 2191: 2190: 2189: 2170: 2166: 2165: 2147: 2146: 2136: 2131: 2130: 2111: 2109: 2108: 2103: 2101: 2100: 2070: 2068: 2067: 2062: 2057: 2056: 2055: 2037: 2032: 2031: 2019: 2000: 1995: 1994: 1969: 1967: 1966: 1961: 1956: 1955: 1954: 1942: 1929: 1928: 1918: 1917: 1883: 1881: 1870: 1868: 1863: 1850: 1845: 1844: 1843: 1814: 1812: 1811: 1806: 1794: 1792: 1791: 1786: 1774: 1772: 1771: 1766: 1764: 1763: 1762: 1732: 1731: 1729: 1728: 1723: 1710: 1709: 1707: 1706: 1701: 1689:where, as usual 1685: 1683: 1682: 1677: 1672: 1667: 1666: 1665: 1652: 1647: 1645: 1644: 1635: 1634: 1633: 1620: 1612: 1607: 1596: 1591: 1590: 1585: 1581: 1576: 1568: 1566: 1556: 1555: 1537: 1535: 1533: 1532: 1527: 1511: 1509: 1507: 1506: 1501: 1485: 1483: 1481: 1480: 1475: 1458: 1456: 1455: 1450: 1448: 1447: 1439: 1426: 1424: 1423: 1418: 1413: 1408: 1400: 1398: 1371: 1369: 1368: 1363: 1341:Hubble parameter 1335: 1333: 1332: 1327: 1321: 1319: 1305: 1297: 1296: 1293: 1271: 1269: 1268: 1263: 1261: 1260: 1259: 1239: 1237: 1236: 1231: 1216: 1214: 1213: 1208: 1206: 1205: 1189: 1187: 1186: 1181: 1170: 1169: 1151: 1150: 1134: 1132: 1131: 1126: 1114: 1112: 1111: 1106: 1049:particle horizon 1029:cosmic inflation 996:cold dark matter 972: 970: 956: 954: 953: 948: 946: 945: 925: 923: 922: 917: 915: 914: 853:bimetric gravity 849:entropic gravity 776:, denoted by CDM 774:cold dark matter 724: 717: 710: 694: 693: 692: 681: 680: 374:Galaxy formation 334:Lambda-CDM model 323: 322: 315:Components  197: 196: 158: 139: 138: 132: 125: 121: 118: 112: 110: 69: 45: 37: 21: 13050: 13049: 13045: 13044: 13043: 13041: 13040: 13039: 13010: 13009: 13008: 12998: 12996: 12986: 12984: 12974: 12972: 12960: 12950: 12948: 12936: 12924: 12916: 12897: 12832: 12797: 12795:Further reading 12792: 12780: 12770: 12766: 12721: 12717: 12664: 12660: 12646: 12644: 12591: 12584: 12575: 12526: 12522: 12514: 12510: 12505:Wayback Machine 12492: 12488: 12439: 12435: 12430: 12426: 12421: 12417: 12368: 12355: 12306: 12302: 12255: 12251: 12196: 12192: 12137: 12133: 12085: 12081: 12071: 12069: 12057: 12053: 11982: 11978: 11928: 11924: 11906: 11900: 11896: 11886: 11884: 11878: 11874: 11825: 11821: 11758: 11754: 11699: 11695: 11638: 11634: 11580: 11576: 11521: 11517: 11462: 11458: 11409: 11405: 11358: 11354: 11305: 11301: 11246: 11242: 11192: 11188: 11129: 11125: 11078: 11074: 11019: 11015: 11005: 11003: 10955: 10951: 10941: 10939: 10899: 10895: 10846: 10839: 10830: 10828: 10819: 10818: 10814: 10805: 10803: 10793: 10789: 10780: 10778: 10776:www.k-state.edu 10770: 10769: 10765: 10748: 10744: 10687: 10683: 10636: 10632: 10585: 10581: 10573:Quanta Magazine 10564: 10560: 10542: 10538: 10530:Quanta Magazine 10521: 10517: 10472: 10468: 10414: 10410: 10356: 10352: 10298: 10294: 10232: 10228: 10220:Quanta Magazine 10211: 10207: 10153: 10149: 10103: 10099: 10042: 10038: 9975: 9971: 9916: 9912: 9902: 9900: 9885: 9881: 9871: 9869: 9857: 9853: 9804: 9797: 9734: 9730: 9675: 9666: 9657: 9655: 9645:Siegel, Ethan. 9643: 9639: 9590: 9586: 9531: 9527: 9472: 9468: 9413: 9409: 9354: 9350: 9341: 9340: 9336: 9319: 9315: 9266: 9262: 9207: 9203: 9146: 9142: 9093: 9089: 9040: 9036: 8978: 8974: 8897: 8893: 8891: 8888: 8887: 8884: 8880: 8823: 8819: 8762: 8758: 8701: 8697: 8640: 8636: 8597: 8593: 8554: 8550: 8487: 8483: 8434: 8430: 8420: 8418: 8394: 8390: 8380: 8378: 8346: 8342: 8332: 8330: 8319: 8318: 8314: 8304: 8302: 8254: 8250: 8195: 8191: 8181: 8179: 8131: 8127: 8117: 8115: 8103: 8099: 8054: 8050: 8040: 8038: 7990: 7986: 7929: 7920: 7910: 7908: 7860: 7853: 7846: 7832:Steven Weinberg 7829: 7825: 7817:Andrew Liddle. 7816: 7812: 7763: 7756: 7707: 7703: 7638: 7634: 7624: 7622: 7610: 7601: 7551: 7522: 7473: 7469: 7459: 7457: 7453: 7442: 7436: 7429: 7422: 7404: 7397: 7334: 7330: 7321: 7319: 7286: 7276: 7269: 7216: 7212: 7163: 7159: 7110: 7106: 7051: 7047: 7032:10.1071/AS03040 6994: 6990: 6953: 6949: 6902: 6898: 6887: 6883: 6828: 6824: 6761: 6757: 6750: 6719: 6712: 6708: 6663: 6642: 6639: 6638: 6622:in the form of 6620:hot dark matter 6603: 6600: 6599: 6566: 6562: 6560: 6557: 6556: 6530: 6526: 6520: 6516: 6514: 6511: 6510: 6484: 6481: 6480: 6477: 6454: 6450: 6445: 6442: 6441: 6432: 6429: 6421: 6419: 6390: 6384: 6380: 6375: 6372: 6371: 6345: 6342: 6341: 6339: 6336: 6316: 6313: 6312: 6300: 6298: 6281: 6278: 6277: 6265: 6263: 6245: 6241: 6239: 6236: 6235: 6213: 6211:Extended models 6208: 6207: 6200: 6193: 6190: 6188: 6186: 6183: 6180: 6176: 6173: 6169: 6166: 6164: 6160: 6155: 6152: 6148: 6144: 6141: 6137: 6133: 6128: 6125: 6121: 6117: 6114: 6110: 6106: 6097: 6093: 6088: 6084: 6079: 6076: 6072: 6069: 6064: 6061: 6058: 6057: 6052: 6051: 6047: 6044: 6042: 6029: 6022: 6019: 6015: 6012: 6010: 6006: 6003: 5999: 5992: 5981: 5946:Hubble constant 5914: 5912: 5905: 5903: 5902: 5900: 5897: 5894: 5876: 5873: 5871: 5868: 5865: 5851: 5847: 5845: 5838: 5834: 5832: 5829: 5826: 5812: 5810: 5803: 5801: 5798: 5795: 5768: 5764: 5762: 5759: 5756: 5740: 5738: 5731: 5729: 5726: 5708: 5706: 5699: 5697: 5694: 5676: 5674: 5671: 5653: 5651: 5648: 5630: 5628: 5621:0.46 km⋅s⋅ 5618: 5616: 5613: 5610: 5604:Hubble constant 5599: 5597: 5587: 5585: 5579: 5570: 5563: 5554: 5531: 5527: 5522: 5519: 5518: 5478: 5472: 5468: 5463: 5460: 5459: 5450: 5441: 5431:= −1.03 ± 0.03 5430: 5421: 5405: 5395: 5393: 5383: 5381: 5374: 5372: 5369: 5347: 5343: 5341: 5340: 5338: 5320: 5315: 5309: 5306: 5305: 5300: 5297: 5294: 5293: 5283: 5281: 5274: 5272: 5269: 5266: 5251: 5247: 5245: 5237: 5233: 5231: 5228: 5225: 5209: 5207: 5200: 5198: 5195: 5192: 5177: 5175: 5169: 5165: 5162: 5160: 5157: 5154: 5144: 5142: 5140: 5115: 5101:, rendering it 5095: 5055: 5054: 5050: 5048: 5045: 5044: 5019: 5016: 5015: 4983: 4979: 4969: 4965: 4947: 4943: 4928: 4924: 4915: 4911: 4901: 4900: 4896: 4894: 4891: 4890: 4851: 4850: 4846: 4844: 4813: 4812: 4808: 4806: 4803: 4802: 4774: 4771: 4770: 4751: 4744: 4743: 4739: 4737: 4734: 4733: 4729: 4723: 4679: 4666: 4650: 4634: 4606: 4589: 4577: 4571: 4562: 4556: 4543: 4537: 4519: 4513: 4496: 4490: 4481: 4475: 4447: 4441: 4430: 4428: 4422: 4420: 4406: 4404: 4394: 4392: 4391: 4389: 4383: 4381: 4380: 4378: 4372: 4370: 4369: 4367: 4357: 4355: 4345: 4343: 4342: 4340: 4330: 4328: 4311: 4307: 4305: 4302: 4301: 4280: 4276: 4274: 4271: 4270: 4253: 4249: 4247: 4244: 4243: 4211: 4204: 4203: 4199: 4197: 4191: 4187: 4178: 4174: 4172: 4169: 4168: 4148: 4144: 4142: 4139: 4138: 4121: 4117: 4115: 4112: 4111: 4108: 4105: 4049: 4043: 4012: 4009: 4008: 3996: 3990: 3958: 3955: 3954: 3928: 3925: 3924: 3918: 3912: 3842: 3768:galaxy clusters 3764: 3732: 3724:Main articles: 3722: 3710:extremely small 3706: 3697: 3672: 3660:massive gravity 3522: 3488: 3485: 3484: 3462: 3459: 3458: 3431: 3427: 3423: 3417: 3413: 3405: 3398: 3397: 3393: 3382: 3379: 3378: 3353: 3352: 3350: 3347: 3346: 3326: 3322: 3320: 3317: 3316: 3285: 3282: 3281: 3259: 3256: 3255: 3233: 3230: 3229: 3201: 3197: 3195: 3189: 3185: 3174: 3162: 3158: 3156: 3153: 3152: 3129: 3125: 3120: 3101: 3097: 3093: 3082: 3078: 3074: 3068: 3064: 3059: 3052: 3051: 3047: 3027: 3024: 3023: 3000: 2996: 2987: 2983: 2981: 2978: 2977: 2955: 2951: 2939: 2935: 2922: 2921: 2917: 2905: 2901: 2894: 2893: 2889: 2887: 2881: 2877: 2860: 2857: 2856: 2828: 2825: 2824: 2807: 2803: 2801: 2798: 2797: 2761: 2758: 2757: 2741: 2738: 2737: 2721: 2718: 2717: 2697: 2694: 2693: 2650: 2646: 2640: 2636: 2624: 2620: 2614: 2610: 2598: 2594: 2581: 2580: 2576: 2564: 2560: 2550: 2549: 2545: 2535: 2534: 2530: 2525: 2519: 2515: 2497: 2495: 2478: 2475: 2474: 2447: 2443: 2441: 2438: 2437: 2421: 2418: 2417: 2394: 2391: 2390: 2356: 2354: 2351: 2350: 2330: 2328: 2325: 2324: 2304: 2302: 2299: 2298: 2282: 2279: 2278: 2255: 2250: 2242: 2232: 2228: 2213: 2209: 2199: 2197: 2176: 2175: 2171: 2161: 2157: 2142: 2138: 2137: 2135: 2126: 2122: 2120: 2117: 2116: 2096: 2092: 2090: 2087: 2086: 2048: 2044: 2033: 2024: 2020: 2015: 2008: 1996: 1990: 1986: 1978: 1975: 1974: 1947: 1943: 1938: 1931: 1924: 1920: 1910: 1906: 1871: 1864: 1859: 1851: 1849: 1830: 1829: 1825: 1823: 1820: 1819: 1800: 1797: 1796: 1780: 1777: 1776: 1749: 1748: 1744: 1742: 1739: 1738: 1717: 1714: 1713: 1712: 1695: 1692: 1691: 1690: 1661: 1657: 1653: 1651: 1640: 1636: 1629: 1625: 1621: 1619: 1597: 1595: 1586: 1567: 1565: 1561: 1560: 1551: 1547: 1545: 1542: 1541: 1521: 1518: 1517: 1516: 1495: 1492: 1491: 1490: 1469: 1466: 1465: 1464: 1438: 1437: 1435: 1432: 1431: 1399: 1397: 1380: 1377: 1376: 1348: 1345: 1344: 1309: 1304: 1292: 1288: 1280: 1277: 1276: 1252: 1251: 1247: 1245: 1242: 1241: 1225: 1222: 1221: 1201: 1197: 1195: 1192: 1191: 1165: 1161: 1146: 1142: 1140: 1137: 1136: 1120: 1117: 1116: 1085: 1082: 1081: 1072: 1045:horizon problem 988:rotation curves 968: 966: 941: 937: 935: 932: 931: 910: 906: 892: 889: 888: 861: 772:the postulated 728: 690: 688: 670: 669: 656: 653: 646: 644:Subject history 636: 635: 627: 472: 464: 463: 460: 457: 415: 405: 404: 367:Galaxy filament 320: 308: 307: 259: 254:Expansion  247: 246: 231:Microwave (CMB) 210:Nucleosynthesis 194: 133: 122: 116: 113: 70: 68: 58: 46: 35: 28: 23: 22: 15: 12: 11: 5: 13048: 13038: 13037: 13032: 13027: 13022: 13007: 13006: 12994: 12982: 12970: 12958: 12946: 12934: 12914: 12913: 12908: 12903: 12896: 12895:External links 12893: 12892: 12891: 12853:(3): 747–759. 12836: 12830: 12813: 12796: 12793: 12791: 12790: 12764: 12715: 12658: 12654:WMAP Documents 12573: 12520: 12508: 12486: 12433: 12424: 12415: 12353: 12300: 12249: 12210:(1): 14P–18P. 12190: 12151:(2): 312–334. 12131: 12079: 12051: 11996:(6): 731–735. 11976: 11922: 11894: 11872: 11835:(12): 121302. 11819: 11772:(1): 926–939. 11752: 11693: 11632: 11574: 11515: 11456: 11419:(4): 481–491. 11403: 11352: 11339:10.1086/307643 11299: 11260:(3): 903–922. 11240: 11186: 11123: 11092:(1): 130–139. 11072: 11013: 10949: 10913:(2): 196–203. 10893: 10837: 10812: 10787: 10763: 10742: 10681: 10630: 10579: 10558: 10536: 10515: 10466: 10429:(12): 123519. 10408: 10371:(12): 123518. 10350: 10292: 10226: 10205: 10147: 10097: 10052:(22): 221301. 10036: 9969: 9930:(1): L64–L68. 9910: 9879: 9851: 9814:(15): 153001. 9795: 9728: 9664: 9637: 9584: 9525: 9466: 9407: 9368:(1): 398–406. 9348: 9334: 9313: 9300:10.1086/428890 9276:(2): 463–484. 9260: 9201: 9156:(13): 131302. 9140: 9103:(10): 103510. 9087: 9034: 8972: 8908: 8905: 8896: 8878: 8833:(3): 915–930. 8817: 8756: 8711:(10): 101302. 8695: 8634: 8591: 8548: 8481: 8428: 8408:(2): 377–381. 8388: 8340: 8312: 8248: 8189: 8125: 8097: 8048: 7984: 7939:(18): 184001. 7918: 7851: 7844: 7823: 7810: 7754: 7701: 7632: 7599: 7520: 7483:(1): 385–432. 7467: 7427: 7420: 7412:Academic Press 7395: 7348:(1): 14P–18P. 7328: 7267: 7210: 7157: 7104: 7045: 6988: 6947: 6896: 6881: 6822: 6755: 6748: 6709: 6707: 6704: 6703: 6702: 6699:Standard Model 6695: 6689: 6687:Millennium Run 6684: 6679: 6674: 6669: 6662: 6659: 6646: 6607: 6586:rather than a 6565: 6550: 6549: 6546: 6533: 6529: 6523: 6519: 6508: 6504: 6503: 6491: 6488: 6475: 6470: 6457: 6453: 6449: 6439: 6435: 6434: 6430: 6427: 6417: 6406: 6403: 6400: 6397: 6393: 6387: 6383: 6379: 6369: 6365: 6364: 6352: 6349: 6337: 6334: 6331: 6320: 6310: 6306: 6305: 6296: 6285: 6275: 6271: 6270: 6261: 6244: 6233: 6229: 6228: 6225: 6222: 6212: 6209: 6206: 6205: 6198: 6184: 6181: 6174: 6171: 6167: 6158: 6153: 6150: 6146: 6142: 6139: 6131: 6126: 6123: 6119: 6115: 6112: 6104: 6100:Standard Model 6091: 6082: 6077: 6074: 6070: 6067: 6062: 6059: 6055: 6054: 6049: 6048: 6045: 6027: 6020: 6017: 6013: 6008: 6004: 6001: 5989: 5988: 5979: 5920: 5919: 5910: 5898: 5895: 5892: 5890: 5886: 5885: 5882: 5869: 5866: 5863: 5861: 5857: 5856: 5843: 5830: 5827: 5824: 5822: 5818: 5817: 5808: 5799: 5796: 5793: 5791: 5780: 5779: 5776: 5760: 5757: 5754: 5752: 5746: 5745: 5736: 5727: 5724: 5721: 5714: 5713: 5704: 5695: 5692: 5689: 5685: 5684: 5681: 5672: 5669: 5666: 5662: 5661: 5658: 5649: 5646: 5643: 5639: 5638: 5633:0.5 km⋅s⋅ 5626: 5614: 5611: 5608: 5606: 5601: 5593: 5592: 5583: 5580: 5577: 5572: 5566: 5565: 5561: 5556: 5552: 5547: 5534: 5530: 5526: 5516: 5512: 5511: 5508: 5505: 5494: 5491: 5488: 5485: 5481: 5471: 5467: 5457: 5453: 5452: 5448: 5445: 5442: 5439: 5437: 5433: 5432: 5428: 5425: 5422: 5419: 5417: 5413: 5412: 5409: 5406: 5403: 5400: 5397: 5389: 5388: 5379: 5370: 5367: 5365: 5356: 5355: 5352: 5336: 5323: 5318: 5314: 5303: 5298: 5295: 5289: 5288: 5279: 5270: 5267: 5264: 5262: 5258: 5257: 5243: 5229: 5226: 5223: 5221: 5215: 5214: 5205: 5196: 5193: 5190: 5187: 5183: 5182: 5173: 5158: 5155: 5152: 5149: 5146: 5136: 5135: 5132: 5129: 5126: 5123: 5114: 5111: 5094: 5091: 5067: 5064: 5058: 5053: 5029: 5026: 5023: 5012: 5011: 5000: 4997: 4994: 4989: 4986: 4982: 4975: 4972: 4968: 4964: 4961: 4958: 4953: 4950: 4946: 4942: 4939: 4936: 4927: 4923: 4918: 4914: 4910: 4904: 4899: 4884: 4883: 4872: 4869: 4866: 4860: 4854: 4849: 4843: 4840: 4837: 4834: 4831: 4828: 4825: 4822: 4816: 4811: 4787: 4784: 4781: 4778: 4758: 4754: 4747: 4742: 4725:Main article: 4722: 4719: 4711:Standard Model 4691:JADES-GS-z13-0 4678: 4675: 4665: 4662: 4649: 4646: 4633: 4630: 4605: 4602: 4588: 4585: 4573:Main article: 4570: 4567: 4558:Main article: 4555: 4552: 4539:Main article: 4536: 4533: 4515:Main article: 4512: 4509: 4492:Main article: 4489: 4486: 4477:Main article: 4474: 4471: 4469:are violated. 4443:Main article: 4440: 4437: 4314: 4310: 4283: 4279: 4256: 4252: 4232: 4231: 4218: 4214: 4207: 4202: 4194: 4190: 4186: 4181: 4177: 4151: 4147: 4124: 4120: 4107: 4103: 4098: 4061:Hubble tension 4054:Hubble tension 4047:Hubble tension 4045:Main article: 4042: 4041:Hubble tension 4039: 4022: 4019: 4016: 3992:Main article: 3989: 3986: 3965: 3962: 3938: 3935: 3932: 3914:Main article: 3911: 3908: 3904: 3903: 3896: 3885: 3878: 3868: 3861: 3841: 3838: 3823:strong lensing 3807:Hubble diagram 3783:Planck Mission 3781:Data from the 3766:Evidence from 3763: 3760: 3721: 3718: 3705: 3702: 3696: 3693: 3671: 3668: 3584:Hubble tension 3521: 3518: 3498: 3495: 3492: 3472: 3469: 3466: 3455: 3454: 3443: 3438: 3434: 3430: 3426: 3420: 3416: 3412: 3408: 3401: 3396: 3392: 3389: 3386: 3360: 3357: 3329: 3325: 3304: 3301: 3298: 3295: 3292: 3289: 3269: 3266: 3263: 3243: 3240: 3237: 3217: 3211: 3204: 3200: 3192: 3188: 3184: 3181: 3177: 3173: 3170: 3165: 3161: 3149: 3148: 3137: 3132: 3128: 3123: 3119: 3116: 3113: 3108: 3104: 3100: 3096: 3089: 3085: 3081: 3077: 3071: 3067: 3062: 3055: 3050: 3046: 3043: 3040: 3037: 3034: 3031: 3006: 3003: 2999: 2995: 2986: 2974: 2973: 2958: 2954: 2950: 2945: 2942: 2938: 2931: 2928: 2925: 2920: 2916: 2911: 2908: 2904: 2897: 2892: 2884: 2880: 2876: 2873: 2870: 2867: 2864: 2841: 2838: 2835: 2832: 2810: 2806: 2774: 2771: 2768: 2765: 2745: 2725: 2701: 2690: 2689: 2678: 2671: 2668: 2665: 2662: 2659: 2656: 2653: 2649: 2643: 2639: 2635: 2630: 2627: 2623: 2617: 2613: 2609: 2604: 2601: 2597: 2590: 2587: 2584: 2579: 2575: 2570: 2567: 2563: 2559: 2553: 2548: 2544: 2538: 2533: 2529: 2522: 2518: 2514: 2509: 2504: 2501: 2494: 2491: 2488: 2485: 2482: 2453: 2450: 2446: 2425: 2398: 2365: 2362: 2359: 2333: 2307: 2286: 2275: 2274: 2258: 2253: 2249: 2245: 2240: 2235: 2231: 2227: 2224: 2221: 2216: 2212: 2208: 2205: 2202: 2196: 2188: 2185: 2182: 2179: 2174: 2169: 2164: 2160: 2156: 2153: 2150: 2145: 2141: 2134: 2129: 2125: 2099: 2095: 2060: 2054: 2051: 2047: 2043: 2040: 2036: 2030: 2027: 2023: 2018: 2014: 2011: 2006: 2003: 1999: 1993: 1989: 1985: 1982: 1971: 1970: 1959: 1953: 1950: 1946: 1941: 1937: 1934: 1927: 1923: 1916: 1913: 1909: 1905: 1902: 1899: 1896: 1893: 1889: 1886: 1880: 1877: 1874: 1867: 1862: 1858: 1854: 1848: 1842: 1839: 1836: 1833: 1828: 1804: 1784: 1761: 1758: 1755: 1752: 1747: 1721: 1699: 1687: 1686: 1675: 1670: 1664: 1660: 1656: 1650: 1643: 1639: 1632: 1628: 1624: 1618: 1615: 1610: 1606: 1603: 1600: 1594: 1589: 1584: 1579: 1574: 1571: 1564: 1559: 1554: 1550: 1525: 1499: 1473: 1445: 1442: 1428: 1427: 1416: 1411: 1406: 1403: 1396: 1393: 1390: 1387: 1384: 1361: 1358: 1355: 1352: 1337: 1336: 1325: 1318: 1315: 1312: 1308: 1303: 1300: 1291: 1287: 1284: 1258: 1255: 1250: 1229: 1204: 1200: 1179: 1176: 1173: 1168: 1164: 1160: 1157: 1154: 1149: 1145: 1124: 1104: 1101: 1098: 1095: 1092: 1089: 1071: 1068: 1013: 1012: 1009: 1006: 1003: 961:results using 944: 940: 913: 909: 905: 902: 899: 896: 875:The letter Λ ( 860: 857: 830: 829: 815: 805: 798: 788:standard model 784: 783: 777: 770: 730: 729: 727: 726: 719: 712: 704: 701: 700: 699: 698: 686: 672: 671: 668: 667: 662: 657: 650: 647: 642: 641: 638: 637: 634: 633: 626: 625: 620: 615: 610: 605: 600: 595: 590: 585: 580: 575: 570: 565: 560: 555: 550: 545: 540: 535: 530: 525: 520: 515: 510: 505: 500: 495: 490: 485: 480: 474: 473: 470: 469: 466: 465: 462: 461: 454: 452: 447: 442: 437: 432: 427: 422: 416: 411: 410: 407: 406: 401: 400: 399: 398: 386: 381: 376: 364: 356: 355: 351: 350: 349: 348: 336: 328: 327: 321: 314: 313: 310: 309: 306: 305: 300: 295: 290: 278: 273: 260: 253: 252: 249: 248: 243: 242: 241: 240: 238:Neutrino (CNB) 228: 220: 219: 215: 214: 213: 212: 195: 193:Early universe 192: 191: 188: 187: 186: 185: 180: 175: 160: 159: 151: 150: 144: 143: 135: 134: 49: 47: 40: 26: 9: 6: 4: 3: 2: 13047: 13036: 13033: 13031: 13028: 13026: 13023: 13021: 13018: 13017: 13015: 13005: 12995: 12993: 12983: 12981: 12971: 12969: 12964: 12959: 12957: 12947: 12945: 12940: 12935: 12933: 12928: 12923: 12922: 12919: 12912: 12909: 12907: 12904: 12902: 12899: 12898: 12888: 12884: 12879: 12874: 12870: 12866: 12861: 12856: 12852: 12848: 12847: 12842: 12837: 12833: 12827: 12823: 12819: 12814: 12809: 12804: 12799: 12798: 12786: 12779: 12775: 12768: 12760: 12756: 12751: 12746: 12742: 12738: 12734: 12730: 12726: 12719: 12711: 12707: 12703: 12699: 12695: 12691: 12686: 12681: 12678:(108): A108. 12677: 12673: 12669: 12662: 12655: 12652:(from NASA's 12643: 12639: 12635: 12631: 12627: 12623: 12619: 12615: 12610: 12605: 12601: 12597: 12590: 12582: 12580: 12578: 12569: 12565: 12561: 12557: 12553: 12549: 12544: 12539: 12535: 12531: 12524: 12518: 12512: 12506: 12502: 12499: 12495: 12490: 12482: 12478: 12474: 12470: 12466: 12462: 12457: 12452: 12448: 12444: 12437: 12428: 12419: 12411: 12407: 12403: 12399: 12395: 12391: 12386: 12381: 12377: 12373: 12366: 12364: 12362: 12360: 12358: 12349: 12345: 12341: 12337: 12333: 12329: 12324: 12319: 12315: 12311: 12304: 12296: 12292: 12287: 12282: 12277: 12272: 12268: 12264: 12260: 12253: 12245: 12241: 12236: 12231: 12227: 12223: 12218: 12213: 12209: 12205: 12201: 12194: 12186: 12182: 12177: 12172: 12168: 12164: 12159: 12154: 12150: 12146: 12142: 12135: 12126: 12121: 12117: 12113: 12108: 12103: 12099: 12095: 12091: 12083: 12068: 12067: 12062: 12055: 12047: 12043: 12039: 12035: 12030: 12025: 12021: 12017: 12013: 12009: 12004: 11999: 11995: 11991: 11987: 11980: 11972: 11968: 11964: 11960: 11956: 11952: 11947: 11942: 11939:(4): 043526. 11938: 11934: 11926: 11917: 11912: 11905: 11898: 11883: 11876: 11868: 11864: 11860: 11856: 11852: 11848: 11843: 11838: 11834: 11830: 11823: 11815: 11811: 11807: 11803: 11798: 11793: 11789: 11785: 11780: 11775: 11771: 11767: 11763: 11756: 11748: 11744: 11739: 11734: 11730: 11726: 11721: 11716: 11712: 11708: 11704: 11697: 11689: 11685: 11680: 11675: 11671: 11667: 11662: 11657: 11653: 11649: 11648: 11643: 11636: 11628: 11624: 11620: 11616: 11612: 11608: 11603: 11598: 11594: 11590: 11589: 11584: 11578: 11570: 11566: 11561: 11556: 11552: 11548: 11543: 11538: 11534: 11530: 11526: 11519: 11511: 11507: 11502: 11497: 11493: 11489: 11484: 11479: 11475: 11471: 11467: 11460: 11452: 11448: 11444: 11440: 11436: 11432: 11427: 11422: 11418: 11414: 11407: 11398: 11393: 11389: 11385: 11380: 11375: 11371: 11367: 11363: 11356: 11348: 11344: 11340: 11336: 11332: 11328: 11323: 11318: 11314: 11310: 11303: 11295: 11291: 11286: 11281: 11277: 11273: 11268: 11263: 11259: 11255: 11251: 11244: 11236: 11232: 11228: 11224: 11220: 11216: 11211: 11206: 11202: 11198: 11190: 11183: 11178: 11174: 11169: 11164: 11160: 11156: 11151: 11146: 11142: 11138: 11134: 11127: 11119: 11115: 11110: 11105: 11100: 11095: 11091: 11087: 11083: 11076: 11068: 11064: 11059: 11054: 11050: 11046: 11041: 11036: 11032: 11028: 11024: 11017: 11002: 10998: 10994: 10990: 10986: 10982: 10977: 10972: 10969:(3): 081301. 10968: 10964: 10960: 10953: 10938: 10934: 10930: 10926: 10921: 10916: 10912: 10908: 10904: 10897: 10888: 10883: 10879: 10875: 10870: 10865: 10861: 10857: 10856: 10851: 10844: 10842: 10826: 10822: 10816: 10802: 10798: 10791: 10777: 10773: 10767: 10758: 10753: 10746: 10738: 10734: 10730: 10726: 10722: 10718: 10714: 10710: 10705: 10700: 10697:(4): 043511. 10696: 10692: 10685: 10677: 10673: 10668: 10663: 10658: 10653: 10649: 10645: 10641: 10634: 10626: 10622: 10617: 10612: 10607: 10602: 10598: 10594: 10590: 10583: 10575: 10574: 10569: 10562: 10553: 10548: 10540: 10532: 10531: 10526: 10519: 10511: 10507: 10503: 10499: 10494: 10489: 10485: 10481: 10477: 10470: 10462: 10458: 10454: 10450: 10446: 10442: 10437: 10432: 10428: 10424: 10420: 10412: 10404: 10400: 10396: 10392: 10388: 10384: 10379: 10374: 10370: 10366: 10362: 10354: 10346: 10342: 10338: 10334: 10330: 10326: 10321: 10316: 10312: 10308: 10304: 10296: 10288: 10284: 10280: 10279:11368/3013060 10276: 10272: 10268: 10264: 10260: 10255: 10250: 10247:(2): 023520. 10246: 10242: 10238: 10230: 10222: 10221: 10216: 10209: 10201: 10197: 10193: 10189: 10185: 10181: 10176: 10171: 10167: 10163: 10159: 10151: 10143: 10139: 10134: 10129: 10125: 10121: 10117: 10113: 10109: 10101: 10093: 10089: 10085: 10081: 10077: 10073: 10069: 10065: 10060: 10055: 10051: 10047: 10040: 10032: 10028: 10024: 10020: 10015: 10010: 10006: 10002: 9997: 9992: 9988: 9984: 9980: 9973: 9965: 9961: 9956: 9951: 9947: 9943: 9938: 9933: 9929: 9925: 9921: 9914: 9898: 9894: 9890: 9883: 9868: 9867: 9862: 9855: 9847: 9843: 9839: 9835: 9831: 9827: 9822: 9817: 9813: 9809: 9802: 9800: 9791: 9787: 9783: 9779: 9774: 9769: 9765: 9761: 9756: 9751: 9747: 9743: 9739: 9732: 9724: 9720: 9715: 9710: 9706: 9702: 9697: 9692: 9688: 9684: 9680: 9673: 9671: 9669: 9654: 9653: 9648: 9641: 9633: 9629: 9625: 9621: 9617: 9613: 9608: 9603: 9599: 9595: 9588: 9580: 9576: 9571: 9566: 9562: 9558: 9553: 9548: 9544: 9540: 9536: 9529: 9521: 9517: 9512: 9507: 9503: 9499: 9494: 9489: 9485: 9481: 9477: 9470: 9462: 9458: 9453: 9448: 9444: 9440: 9435: 9430: 9426: 9422: 9418: 9411: 9403: 9399: 9394: 9389: 9385: 9381: 9376: 9371: 9367: 9363: 9359: 9352: 9344: 9338: 9329: 9324: 9317: 9309: 9305: 9301: 9297: 9293: 9289: 9284: 9279: 9275: 9271: 9264: 9256: 9252: 9247: 9242: 9238: 9234: 9229: 9224: 9220: 9216: 9212: 9205: 9197: 9193: 9189: 9185: 9181: 9177: 9173: 9169: 9164: 9159: 9155: 9151: 9144: 9136: 9132: 9128: 9124: 9120: 9116: 9111: 9106: 9102: 9098: 9091: 9083: 9079: 9075: 9071: 9067: 9063: 9058: 9053: 9050:(6): 063514. 9049: 9045: 9038: 9030: 9026: 9022: 9018: 9014: 9010: 9006: 9002: 8997: 8992: 8988: 8984: 8976: 8968: 8964: 8960: 8956: 8952: 8948: 8944: 8940: 8935: 8930: 8926: 8922: 8906: 8903: 8894: 8882: 8874: 8870: 8866: 8862: 8858: 8854: 8850: 8846: 8841: 8836: 8832: 8828: 8821: 8813: 8809: 8805: 8801: 8797: 8793: 8789: 8785: 8780: 8775: 8771: 8767: 8760: 8752: 8748: 8744: 8740: 8736: 8732: 8728: 8724: 8719: 8714: 8710: 8706: 8699: 8691: 8687: 8683: 8679: 8675: 8671: 8667: 8663: 8658: 8653: 8650:(6): 063516. 8649: 8645: 8638: 8629: 8624: 8619: 8614: 8610: 8606: 8602: 8595: 8586: 8581: 8576: 8571: 8567: 8563: 8559: 8552: 8544: 8540: 8536: 8532: 8527: 8522: 8518: 8514: 8509: 8504: 8500: 8496: 8492: 8485: 8477: 8473: 8469: 8465: 8461: 8457: 8452: 8447: 8443: 8439: 8432: 8416: 8411: 8407: 8403: 8399: 8392: 8377: 8373: 8369: 8365: 8361: 8357: 8352: 8344: 8328: 8327: 8322: 8316: 8301: 8297: 8293: 8289: 8285: 8281: 8276: 8271: 8267: 8263: 8259: 8252: 8244: 8240: 8235: 8230: 8226: 8222: 8217: 8212: 8208: 8204: 8200: 8193: 8178: 8174: 8170: 8166: 8162: 8158: 8153: 8148: 8144: 8140: 8136: 8129: 8114: 8113: 8108: 8101: 8093: 8089: 8084: 8079: 8075: 8071: 8068:(1): 012011. 8067: 8063: 8059: 8052: 8037: 8033: 8029: 8025: 8021: 8017: 8012: 8007: 8004:(2): 023525. 8003: 7999: 7995: 7988: 7980: 7976: 7972: 7968: 7964: 7960: 7956: 7952: 7947: 7942: 7938: 7934: 7927: 7925: 7923: 7907: 7903: 7899: 7895: 7891: 7887: 7882: 7877: 7873: 7869: 7865: 7858: 7856: 7847: 7841: 7837: 7833: 7827: 7820: 7814: 7806: 7802: 7798: 7794: 7790: 7786: 7781: 7776: 7772: 7768: 7761: 7759: 7750: 7746: 7742: 7738: 7734: 7730: 7725: 7720: 7716: 7712: 7705: 7697: 7693: 7689: 7685: 7681: 7677: 7673: 7669: 7664: 7659: 7655: 7651: 7647: 7643: 7636: 7621: 7620: 7615: 7608: 7606: 7604: 7595: 7591: 7587: 7583: 7579: 7575: 7570: 7565: 7561: 7557: 7549: 7547: 7545: 7543: 7541: 7539: 7537: 7535: 7533: 7531: 7529: 7527: 7525: 7516: 7512: 7508: 7504: 7500: 7496: 7491: 7486: 7482: 7478: 7471: 7452: 7448: 7441: 7434: 7432: 7423: 7417: 7413: 7409: 7402: 7400: 7391: 7387: 7383: 7379: 7374: 7369: 7365: 7361: 7356: 7351: 7347: 7343: 7339: 7332: 7317: 7312: 7308: 7304: 7300: 7296: 7292: 7285: 7281: 7274: 7272: 7263: 7259: 7255: 7251: 7247: 7243: 7238: 7233: 7230:(4): 045002. 7229: 7225: 7221: 7214: 7205: 7200: 7196: 7192: 7187: 7182: 7178: 7174: 7173: 7168: 7161: 7153: 7149: 7145: 7141: 7137: 7133: 7128: 7123: 7119: 7115: 7108: 7100: 7096: 7091: 7086: 7082: 7078: 7073: 7068: 7064: 7060: 7056: 7049: 7041: 7037: 7033: 7029: 7025: 7021: 7016: 7011: 7008:(1): 97–109. 7007: 7003: 6999: 6992: 6984: 6980: 6976: 6972: 6967: 6962: 6958: 6951: 6943: 6939: 6935: 6931: 6927: 6923: 6919: 6915: 6911: 6907: 6900: 6894: 6890: 6885: 6877: 6873: 6868: 6863: 6859: 6855: 6850: 6845: 6841: 6837: 6833: 6826: 6818: 6814: 6810: 6806: 6801: 6796: 6792: 6788: 6783: 6778: 6774: 6770: 6766: 6759: 6751: 6745: 6741: 6737: 6733: 6732: 6727: 6723: 6717: 6715: 6710: 6700: 6696: 6693: 6690: 6688: 6685: 6683: 6680: 6678: 6675: 6673: 6670: 6668: 6665: 6664: 6658: 6644: 6635: 6632: 6627: 6625: 6621: 6605: 6597: 6593: 6589: 6585: 6547: 6531: 6527: 6521: 6506: 6505: 6489: 6486: 6478: 6471: 6455: 6451: 6447: 6437: 6436: 6418: 6404: 6401: 6398: 6395: 6391: 6385: 6381: 6377: 6367: 6366: 6350: 6347: 6340:= 0.002 Mpc ( 6332: 6318: 6308: 6307: 6297: 6283: 6273: 6272: 6262: 6231: 6230: 6226: 6223: 6220: 6219: 6162: 6135: 6108: 6101: 6095: 6086: 6040: 6038: 6036: 6034: 6032: 5997: 5995: 5990: 5987: 5985: 5977: 5973: 5968: 5966: 5962: 5958: 5953: 5951: 5947: 5942: 5938: 5933: 5931: 5930:Occam's razor 5927: 5911: 5899: 5888: 5887: 5883: 5870: 5859: 5858: 5844: 5831: 5820: 5819: 5809: 5800: 5790: 5788: 5782: 5781: 5777: 5774: 5761: 5751: 5748: 5747: 5737: 5728: 5719: 5716: 5715: 5705: 5696: 5687: 5686: 5682: 5673: 5664: 5663: 5659: 5650: 5641: 5640: 5636: 5627: 5624: 5615: 5605: 5602: 5594: 5584: 5581: 5576: 5568: 5567: 5564: 5557: 5555: 5548: 5532: 5528: 5524: 5514: 5513: 5509: 5506: 5492: 5489: 5486: 5483: 5479: 5469: 5465: 5455: 5454: 5446: 5443: 5435: 5434: 5426: 5423: 5415: 5414: 5410: 5407: 5398: 5390: 5380: 5371: 5364: 5363:optical depth 5361: 5358: 5357: 5353: 5337: 5321: 5316: 5291: 5290: 5280: 5271: 5260: 5259: 5244: 5230: 5220: 5217: 5216: 5206: 5197: 5185: 5184: 5174: 5159: 5147: 5137: 5133: 5130: 5127: 5124: 5122: 5121: 5110: 5108: 5104: 5103:unfalsifiable 5100: 5090: 5088: 5084: 5079: 5065: 5062: 5041: 5027: 5024: 5021: 4998: 4995: 4992: 4987: 4984: 4980: 4973: 4970: 4966: 4962: 4959: 4956: 4951: 4948: 4944: 4940: 4937: 4934: 4921: 4916: 4908: 4889: 4888: 4887: 4870: 4867: 4864: 4858: 4847: 4838: 4832: 4829: 4826: 4823: 4820: 4809: 4801: 4800: 4799: 4782: 4776: 4756: 4752: 4740: 4728: 4718: 4716: 4712: 4706: 4704: 4700: 4696: 4692: 4688: 4684: 4674: 4671: 4661: 4659: 4655: 4645: 4643: 4639: 4638:Major mergers 4629: 4627: 4623: 4619: 4615: 4611: 4601: 4598: 4594: 4584: 4582: 4576: 4566: 4561: 4551: 4548: 4542: 4532: 4529: 4528:tidal effects 4524: 4518: 4508: 4506: 4501: 4495: 4485: 4480: 4470: 4468: 4464: 4460: 4456: 4452: 4446: 4436: 4418: 4414: 4402: 4365: 4353: 4338: 4312: 4308: 4298: 4281: 4277: 4254: 4250: 4241: 4237: 4216: 4212: 4192: 4188: 4184: 4179: 4175: 4167: 4166: 4165: 4149: 4145: 4122: 4118: 4102: 4097: 4095: 4091: 4086: 4083: 4079: 4074: 4072: 4068: 4067: 4062: 4057: 4055: 4048: 4038: 4036: 4020: 4017: 4014: 4005: 4001: 3995: 3985: 3983: 3979: 3963: 3960: 3952: 3936: 3933: 3930: 3922: 3917: 3907: 3901: 3897: 3894: 3890: 3886: 3883: 3879: 3876: 3872: 3869: 3866: 3862: 3859: 3855: 3854: 3853: 3851: 3847: 3837: 3834: 3832: 3828: 3824: 3818: 3816: 3812: 3808: 3804: 3799: 3798:Dennis Sciama 3794: 3792: 3788: 3784: 3779: 3777: 3773: 3769: 3759: 3757: 3753: 3749: 3745: 3741: 3737: 3731: 3727: 3717: 3715: 3711: 3701: 3692: 3689: 3685: 3681: 3677: 3667: 3665: 3661: 3657: 3653: 3649: 3645: 3641: 3637: 3633: 3629: 3625: 3621: 3617: 3613: 3609: 3605: 3601: 3598:or modifying 3597: 3591: 3589: 3585: 3580: 3578: 3577: 3572: 3568: 3564: 3560: 3556: 3551: 3546: 3542: 3540: 3534: 3531: 3527: 3517: 3515: 3513: 3496: 3493: 3490: 3470: 3467: 3464: 3441: 3436: 3432: 3428: 3410: 3406: 3387: 3384: 3377: 3376: 3375: 3358: 3355: 3343: 3327: 3323: 3302: 3299: 3293: 3287: 3267: 3264: 3261: 3241: 3238: 3235: 3215: 3190: 3186: 3182: 3175: 3171: 3168: 3159: 3126: 3121: 3117: 3111: 3106: 3102: 3098: 3094: 3087: 3083: 3079: 3060: 3041: 3035: 3029: 3022: 3021: 3020: 3004: 3001: 2997: 2993: 2948: 2943: 2940: 2936: 2914: 2909: 2906: 2902: 2882: 2878: 2874: 2868: 2862: 2855: 2854: 2853: 2839: 2836: 2833: 2830: 2808: 2794: 2792: 2788: 2769: 2763: 2743: 2715: 2699: 2676: 2666: 2663: 2660: 2654: 2651: 2647: 2633: 2628: 2625: 2621: 2615: 2607: 2602: 2599: 2595: 2573: 2568: 2565: 2561: 2542: 2520: 2516: 2512: 2507: 2502: 2499: 2492: 2486: 2480: 2473: 2472: 2471: 2469: 2451: 2448: 2444: 2423: 2414: 2412: 2388: 2384: 2380: 2348: 2322: 2284: 2256: 2251: 2247: 2243: 2233: 2229: 2225: 2222: 2214: 2210: 2206: 2203: 2200: 2194: 2172: 2162: 2158: 2154: 2151: 2143: 2139: 2132: 2127: 2115: 2114: 2113: 2097: 2085: 2080: 2078: 2074: 2052: 2049: 2034: 2028: 2025: 2016: 2004: 1997: 1991: 1987: 1983: 1980: 1957: 1951: 1948: 1939: 1925: 1921: 1914: 1911: 1907: 1903: 1897: 1891: 1887: 1884: 1878: 1875: 1872: 1865: 1860: 1856: 1852: 1846: 1826: 1818: 1817: 1816: 1782: 1745: 1736: 1719: 1697: 1673: 1668: 1662: 1658: 1648: 1641: 1637: 1630: 1626: 1622: 1616: 1613: 1608: 1604: 1601: 1598: 1592: 1587: 1582: 1577: 1572: 1569: 1562: 1557: 1552: 1548: 1540: 1539: 1538: 1515: 1497: 1489: 1471: 1462: 1443: 1440: 1414: 1409: 1404: 1401: 1394: 1388: 1382: 1375: 1374: 1373: 1372:, defined as 1356: 1350: 1342: 1323: 1316: 1313: 1310: 1306: 1301: 1289: 1282: 1275: 1274: 1273: 1248: 1227: 1220: 1202: 1198: 1177: 1174: 1166: 1162: 1155: 1152: 1147: 1143: 1122: 1099: 1093: 1090: 1087: 1080: 1077: 1076:dimensionless 1067: 1065: 1061: 1057: 1052: 1050: 1046: 1042: 1038: 1034: 1030: 1026: 1022: 1017: 1010: 1007: 1004: 1001: 1000: 999: 997: 993: 989: 985: 981: 979: 977: 964: 960: 929: 911: 907: 903: 900: 897: 894: 886: 882: 878: 873: 870: 869:Doppler shift 866: 856: 854: 850: 846: 841: 839: 835: 828: 824: 820: 816: 814: 810: 807:the observed 806: 803: 799: 797: 793: 792: 791: 789: 782: 778: 775: 771: 769: 765: 762:, denoted by 761: 757: 756: 755: 753: 749: 745: 741: 737: 725: 720: 718: 713: 711: 706: 705: 703: 702: 697: 687: 685: 676: 675: 674: 673: 666: 663: 661: 658: 655: 649: 648: 645: 640: 639: 632: 629: 628: 624: 621: 619: 616: 614: 611: 609: 606: 604: 601: 599: 596: 594: 591: 589: 586: 584: 581: 579: 576: 574: 571: 569: 566: 564: 561: 559: 556: 554: 551: 549: 546: 544: 541: 539: 536: 534: 531: 529: 526: 524: 521: 519: 516: 514: 511: 509: 506: 504: 501: 499: 496: 494: 491: 489: 486: 484: 481: 479: 476: 475: 468: 467: 459: 453: 451: 448: 446: 443: 441: 438: 436: 433: 431: 428: 426: 423: 421: 418: 417: 414: 409: 408: 397: 394: 390: 387: 385: 382: 380: 377: 375: 372: 368: 365: 363: 360: 359: 358: 357: 353: 352: 347: 344: 340: 337: 335: 332: 331: 330: 329: 325: 324: 318: 312: 311: 304: 301: 299: 296: 294: 291: 289: 286: 282: 279: 277: 274: 272: 269: 265: 262: 261: 257: 251: 250: 239: 236: 232: 229: 227: 224: 223: 222: 221: 217: 216: 211: 208: 204: 201: 200: 199: 198: 190: 189: 184: 181: 179: 176: 174: 171: 167: 164: 163: 162: 161: 157: 153: 152: 149: 146: 145: 141: 140: 131: 128: 120: 117:February 2024 109: 106: 102: 99: 95: 92: 88: 85: 81: 78: â€“  77: 73: 72:Find sources: 66: 62: 56: 55: 50:This article 48: 44: 39: 38: 33: 19: 13004:Solar System 12850: 12844: 12817: 12784: 12767: 12732: 12728: 12718: 12675: 12671: 12661: 12645:. 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See also 5975: 5971: 5969: 5954: 5934: 5923: 5786: 5784: 5574: 5360:Reionization 5125:Description 5096: 5080: 5042: 5013: 4885: 4730: 4707: 4687:spectroscopy 4680: 4667: 4651: 4635: 4607: 4590: 4578: 4563: 4544: 4520: 4497: 4482: 4455:Solar System 4448: 4439:Axis of evil 4299: 4233: 4109: 4100: 4087: 4075: 4064: 4058: 4050: 3997: 3919: 3905: 3843: 3835: 3819: 3795: 3780: 3765: 3733: 3712:compared to 3707: 3698: 3687: 3684:polarization 3673: 3640:f(R) gravity 3592: 3581: 3574: 3547: 3543: 3535: 3523: 3511: 3456: 3344: 3150: 2975: 2823:is zero and 2795: 2691: 2415: 2276: 2083: 2081: 1972: 1688: 1429: 1338: 1079:scale factor 1073: 1053: 1041:anisotropies 1018: 1014: 982: 975: 874: 862: 842: 837: 831: 787: 785: 743: 739: 735: 733: 458:Probe (WMAP) 392: 389:Reionization 370: 342: 333: 316: 284: 267: 264:Hubble's law 255: 234: 206: 169: 123: 114: 104: 97: 90: 83: 71: 59:Please help 54:verification 51: 13025:Dark energy 13020:Dark matter 12992:Outer space 12980:Spaceflight 12944:Mathematics 12668:Aghanim, N. 12378:(13): A13. 12072:10 December 11806:10023/24680 10486:(12): 193. 10133:10902/24951 9903:21 December 8333:October 29, 7717:(13): A13. 6333:< 0.11, 5950:dark energy 5718:Dark energy 5571:of freedom 5451:<  0.06 5301:= 0.002 Mpc 5134:Value-2018 5131:Value-2015 5107:Karl Popper 4699:CEERS-93316 4618:Local Group 4427:(2020) and 3756:dark energy 3744:homogeneity 3600:dark energy 3567:dark energy 2411:dark energy 2077:dark energy 1115:(with time 984:Dark matter 885:dark energy 768:dark energy 746:model is a 413:Experiments 346:Dark matter 339:Dark energy 281:FLRW metric 218:Backgrounds 13014:Categories 12776:) (2020). 12685:1605.03507 12647:2010-12-04 12634:2152/43001 12543:1807.06209 12494:Appendix A 12456:1807.06209 12385:1502.01589 12323:1703.02389 12276:1911.10690 12107:2007.04988 12003:2208.01611 11946:2202.09379 11916:2212.04568 11887:9 December 11842:1703.10559 11779:2106.10304 11720:1602.08942 11661:2202.01221 11654:(2): 183. 11542:2105.04575 11483:1701.06559 11426:2205.02860 11150:2109.04487 11099:2112.00026 11040:2009.11525 10920:1911.02087 10831:2018-08-05 10806:2020-10-13 10781:2020-10-13 10757:2004.02963 10657:1912.09383 10606:2007.04993 10552:2402.08458 10493:2304.00701 10436:2304.00701 10378:2304.00702 10320:2305.17173 10254:2105.13549 10175:2007.15632 10059:1811.04083 9996:1901.08681 9989:(2): 145. 9937:1810.02595 9821:2103.01183 9755:1511.04075 9696:2009.11292 9658:2017-06-09 9493:2308.00744 9486:(2): 162. 9434:2012.03950 9163:1605.07178 9110:2108.13228 9057:2106.02532 8996:2103.13904 8934:2004.03305 8618:2107.09390 8575:2106.11968 8508:2009.14826 8501:(2): L51. 8451:2010.08366 8275:1507.07560 8216:2009.14826 8209:(2): L51. 8152:2004.03305 8011:2103.11918 7946:2105.09790 7881:1808.04597 7780:2201.04741 7724:1502.01589 7460:10 January 7322:2020-03-08 7301:: 030001. 7282:) (2019). 7237:1605.04909 7127:1807.06209 7072:1811.02374 7065:(2): L30. 6966:1902.10636 6912:(7): 139. 6849:1612.03034 6782:1701.03964 6775:(2): 194. 6706:References 6590:where the 6472:< 0.58 6043:A density 5926:parameters 5113:Parameters 4705:of 16.4. 4082:supernovae 3695:Challenges 3650:theories, 3588:CMB dipole 3514:spacecraft 2787:supernovae 2297:is one of 2073:Big Crunch 1062:, and the 827:supernovae 809:abundances 736:Lambda-CDM 493:Copernicus 471:Scientists 326:Components 87:newspapers 12956:Astronomy 12787:. 083C01. 12609:1001.4744 12602:(2): 14. 12568:119335614 12481:119335614 12410:119262962 12348:119401938 12316:: 41–52. 12295:0035-8711 12244:0035-8711 12046:251252960 11971:247011465 11814:0035-8711 11713:(1): L4. 11688:1538-4357 11627:119303368 11602:1009.3015 11569:0035-8711 11510:0035-8711 11451:254920916 11379:1406.1799 11210:1006.1647 11203:: 32–54. 11177:0004-6361 11118:0035-8711 11067:221879077 11033:(1): 51. 11001:118437535 10976:1302.1617 10937:207880880 10869:1203.3551 10737:119258571 10729:1550-7998 10704:1211.5915 10676:0035-8711 10625:0035-8711 10461:2470-0010 10403:2470-0010 10345:2565-6120 10287:2470-0010 10200:0004-6361 10142:0004-6361 10092:119233243 10031:119095484 10023:1538-4357 9964:1745-3925 9872:26 August 9846:232092525 9790:119286482 9782:2041-8205 9748:(1): L7. 9723:0035-8711 9632:118433293 9607:1304.2884 9600:(1): 62. 9579:1538-4357 9552:1305.3651 9545:(1): 10. 9520:1538-4357 9461:0035-8711 9402:119220579 9375:1306.1700 9328:1311.1104 9255:118603499 9228:1001.0617 9135:248713777 9082:235352881 9029:232352604 9021:0004-6361 8967:215238834 8959:0004-6361 8904:− 8865:0004-6361 8804:2041-8205 8779:1001.4613 8751:119333704 8743:1550-7998 8690:119463060 8682:1550-7998 8543:222066749 8535:2041-8213 8476:223953708 8305:March 24, 8268:(1): 47. 8243:222066749 8177:215238834 8118:March 24, 8092:250670331 8036:232307363 7979:234790314 7971:0264-9381 7906:208175643 7805:245906450 7749:119262962 7642:Pryke, C. 7594:247411131 7490:0803.0982 7382:0035-8711 7262:0034-6861 7152:119335614 7040:1323-3580 6983:119234939 6942:125167116 6934:1572-946X 6889:P. Kroupa 6817:119513478 6809:0004-637X 6624:neutrinos 6564:Ω 6522:ν 6518:Ω 6490:σ 6456:ν 6448:∑ 6402:⁡ 6351:σ 6243:Ω 6098:from the 5533:ν 5525:∑ 5490:⁡ 5313:Δ 5063:≃ 5052:Ω 5025:≃ 4993:≃ 4985:− 4971:− 4963:× 4949:− 4941:× 4926:Ω 4917:∗ 4913:Ω 4898:Ω 4833:ϕ 4827:∫ 4824:∑ 4810:ρ 4777:ϕ 4622:Milky Way 4597:Andromeda 4593:Milky Way 4581:Milky Way 4201:Ω 4189:σ 4185:≡ 4004:Milky Way 3964:σ 3900:Giant Arc 3844:Based on 3670:Successes 3656:DGP model 3559:BOOMERanG 3494:∼ 3468:∼ 3419:Λ 3415:Ω 3395:Ω 3359:¨ 3203:Λ 3199:Ω 3169:≡ 3164:Λ 3131:Λ 3112:⁡ 3070:Λ 3066:Ω 3049:Ω 3002:− 2994:∼ 2985:Ω 2957:Λ 2953:Ω 2941:− 2919:Ω 2907:− 2891:Ω 2837:− 2805:Ω 2724:Ω 2652:− 2642:Λ 2638:Ω 2626:− 2612:Ω 2600:− 2578:Ω 2566:− 2547:Ω 2532:Ω 2503:˙ 2493:≡ 2449:− 2397:Λ 2387:neutrinos 2379:radiation 2211:ρ 2204:π 2173:ρ 2140:ρ 2133:≡ 2124:Ω 2094:Ω 2050:− 2035:⋅ 2026:− 2017:⋅ 1984:≡ 1949:− 1940:⋅ 1912:− 1904:× 1876:π 1827:ρ 1803:Λ 1746:ρ 1655:Λ 1617:− 1614:ρ 1602:π 1573:˙ 1524:Λ 1488:curvature 1472:ρ 1444:˙ 1405:˙ 1395:≡ 1025:spacetime 978:satellite 943:Λ 939:Ω 904:ρ 901:− 779:ordinary 623:Zeldovich 523:Friedmann 498:de Sitter 425:BOOMERanG 354:Structure 319:Structure 203:Inflation 12887:13971059 12759:25745164 12642:46171526 12515:p. 7 of 12501:Archived 12038:37351007 12029:10281863 11867:54675159 11747:14644377 11347:12983798 11294:14308775 11235:11711780 11006:24 March 10942:24 March 10168:: A140. 10084:31283280 9188:27715088 8989:: A151. 8873:14626666 8812:24389919 8421:25 March 8381:25 March 8300:54958680 8182:24 March 8041:25 March 7911:25 March 7834:(1972). 7773:: 1–35. 7688:12490941 7625:25 March 7515:15117520 7390:17945298 7099:84833144 6876:18916375 6661:See also 6631:increase 5948:and the 5771:10  5139:Indepen- 4703:redshift 4614:NGC 3109 4610:NGC 3109 4505:manifold 4459:galaxies 4078:KBC void 4000:KBC void 3994:KBC void 3988:KBC void 3978:El Gordo 3951:El Gordo 3921:El Gordo 3882:Huge-LQG 3740:isotropy 3648:galileon 3646:such as 3626:and the 3586:and the 3530:Big Bang 1512:and the 1219:redshift 1021:Big Bang 865:redshift 859:Overview 823:galaxies 752:Big Bang 684:Category 603:Suntzeff 563:LemaĂźtre 513:Einstein 478:Aaronson 271:Redshift 173:Universe 166:Big Bang 12932:Physics 12918:Portals 12865:Bibcode 12737:Bibcode 12729:Science 12710:5892152 12690:Bibcode 12614:Bibcode 12548:Bibcode 12496:of the 12461:Bibcode 12390:Bibcode 12328:Bibcode 12222:Bibcode 12185:8715136 12163:Bibcode 12112:Bibcode 12008:Bibcode 11951:Bibcode 11847:Bibcode 11784:Bibcode 11725:Bibcode 11666:Bibcode 11607:Bibcode 11547:Bibcode 11488:Bibcode 11431:Bibcode 11384:Bibcode 11327:Bibcode 11272:Bibcode 11215:Bibcode 11155:Bibcode 11143:: A26. 11045:Bibcode 10981:Bibcode 10874:Bibcode 10709:Bibcode 10498:Bibcode 10480:Physics 10441:Bibcode 10383:Bibcode 10325:Bibcode 10259:Bibcode 10180:Bibcode 10064:Bibcode 10001:Bibcode 9942:Bibcode 9826:Bibcode 9760:Bibcode 9701:Bibcode 9612:Bibcode 9557:Bibcode 9498:Bibcode 9439:Bibcode 9380:Bibcode 9308:9654355 9288:Bibcode 9233:Bibcode 9168:Bibcode 9115:Bibcode 9062:Bibcode 9001:Bibcode 8939:Bibcode 8927:: A15. 8845:Bibcode 8784:Bibcode 8723:Bibcode 8662:Bibcode 8513:Bibcode 8456:Bibcode 8364:Bibcode 8280:Bibcode 8221:Bibcode 8157:Bibcode 8070:Bibcode 8016:Bibcode 7951:Bibcode 7886:Bibcode 7874:: L13. 7785:Bibcode 7729:Bibcode 7696:4359884 7668:Bibcode 7574:Bibcode 7495:Bibcode 7360:Bibcode 7303:Bibcode 7242:Bibcode 7191:Bibcode 7132:Bibcode 7077:Bibcode 7020:Bibcode 6914:Bibcode 6854:Bibcode 6787:Bibcode 6694:(WIMPs) 6224:Symbol 5600:values 5396:meters 5246:(13.787 5232:(13.799 5145:meters 5128:Symbol 4413:EROSITA 4401:HSC-SSP 4106:tension 3815:quasars 3772:quasars 3608:McGaugh 3604:Milgrom 2712:is the 2436:, e.g. 2389:), and 2383:photons 2321:baryons 1733:is the 750:of the 608:Sunyaev 593:Schmidt 583:Penzias 578:Penrose 553:Huygens 543:Hawking 528:Galileo 101:scholar 12885:  12828:  12757:  12708:  12640:  12566:  12479:  12408:  12346:  12293:  12242:  12183:  12044:  12036:  12026:  11969:  11865:  11812:  11745:  11686:  11625:  11567:  11508:  11449:  11345:  11292:  11233:  11175:  11116:  11065:  10999:  10935:  10735:  10727:  10674:  10623:  10459:  10401:  10343:  10313:: 36. 10285:  10198:  10140:  10118:: C4. 10090:  10082:  10029:  10021:  9962:  9844:  9788:  9780:  9721:  9652:Forbes 9630:  9577:  9518:  9459:  9400:  9306:  9253:  9196:453412 9194:  9186:  9133:  9080:  9027:  9019:  8965:  8957:  8871:  8863:  8810:  8802:  8749:  8741:  8688:  8680:  8541:  8533:  8474:  8444:: A9. 8298:  8241:  8175:  8090:  8034:  7977:  7969:  7904:  7842:  7803:  7747:  7694:  7686:  7650:Nature 7592:  7562:: 49. 7513:  7418:  7388:  7380:  7260:  7150:  7120:: A6. 7097:  7038:  6981:  6940:  6932:  6874:  6815:  6807:  6746:  6420:−0.022 6299:−0.980 6268:0.0019 6264:0.9993 6227:Value 5976:Planck 5972:Planck 5881:years 5806:0.0086 5802:0.8159 5743:0.0073 5739:0.6847 5734:0.0062 5730:0.6911 5702:0.0062 5698:0.3089 5679:0.0057 5675:0.2589 5656:0.0010 5652:0.0486 5596:Calcu- 5582:3.046 5344:−0.092 5342:+0.088 5277:0.0040 5273:0.9667 5256:years 5250:0.020) 5242:years 5236:0.021) 5203:0.0010 5199:0.1188 5180:0.0001 5176:0.0224 5066:0.0486 5014:where 4411:(2024 4399:(2023 4395:−0.033 4393:+0.032 4384:−0.034 4382:+0.031 4373:−0.014 4371:+0.018 4362:(2022 4350:(2021 4346:−0.014 4344:+0.020 4337:Planck 4335:(2020 3850:/h Mpc 3774:, and 3688:Planck 3658:, and 3654:, the 3612:Kroupa 3610:, and 3576:Planck 3563:2dFGRS 3512:Planck 3213:  3151:where 2692:where 1973:where 1430:where 1058:, the 976:Planck 971:0.0073 967:0.6847 877:lambda 781:matter 764:lambda 682:  618:Wilson 613:Tolman 573:Newton 568:Mather 558:Kepler 548:Hubble 508:Ehlers 488:Alpher 483:AlfvĂ©n 391:  369:  341:  283:  266:  258:Future 233:  205:  168:  103:  96:  89:  82:  74:  12968:Stars 12883:S2CID 12855:arXiv 12803:arXiv 12781:(PDF) 12706:S2CID 12680:arXiv 12656:page) 12638:S2CID 12604:arXiv 12592:(PDF) 12564:S2CID 12538:arXiv 12477:S2CID 12451:arXiv 12406:S2CID 12380:arXiv 12344:S2CID 12318:arXiv 12271:arXiv 12212:arXiv 12181:S2CID 12153:arXiv 12102:arXiv 12042:S2CID 11998:arXiv 11967:S2CID 11941:arXiv 11911:arXiv 11907:(PDF) 11863:S2CID 11837:arXiv 11774:arXiv 11743:S2CID 11715:arXiv 11656:arXiv 11623:S2CID 11597:arXiv 11537:arXiv 11478:arXiv 11447:S2CID 11421:arXiv 11374:arXiv 11343:S2CID 11317:arXiv 11290:S2CID 11262:arXiv 11231:S2CID 11205:arXiv 11145:arXiv 11094:arXiv 11063:S2CID 11035:arXiv 10997:S2CID 10971:arXiv 10933:S2CID 10915:arXiv 10864:arXiv 10752:arXiv 10733:S2CID 10699:arXiv 10652:arXiv 10601:arXiv 10547:arXiv 10488:arXiv 10431:arXiv 10373:arXiv 10315:arXiv 10249:arXiv 10170:arXiv 10088:S2CID 10054:arXiv 10027:S2CID 9991:arXiv 9932:arXiv 9842:S2CID 9816:arXiv 9786:S2CID 9750:arXiv 9691:arXiv 9628:S2CID 9602:arXiv 9547:arXiv 9488:arXiv 9429:arXiv 9398:S2CID 9370:arXiv 9323:arXiv 9304:S2CID 9278:arXiv 9251:S2CID 9223:arXiv 9192:S2CID 9158:arXiv 9131:S2CID 9105:arXiv 9078:S2CID 9052:arXiv 9025:S2CID 8991:arXiv 8963:S2CID 8929:arXiv 8869:S2CID 8835:arXiv 8808:S2CID 8774:arXiv 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Index

Standard cosmological model
Standard model (disambiguation)

verification
improve this article
adding citations to reliable sources
"Lambda-CDM model"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
Physical cosmology
Full-sky image derived from nine years' WMAP data
Big Bang
Universe
Age of the universe
Chronology of the universe
Inflation
Nucleosynthesis
Gravitational wave (GWB)
Microwave (CMB)
Neutrino (CNB)
Hubble's law
Redshift
Expansion of the universe
FLRW metric
Friedmann equations
Inhomogeneous cosmology

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

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