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Flux tube

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396:. This set forms a hollow tube. The tube follows the field lines, possibly turning, twisting, and changing its cross sectional size and shape as the field lines converge or diverge. Since no field lines pass through the tube walls there is no flux through the walls of the tube, so all the field lines enter and leave through the end surfaces. Thus a flux tube divides all the field lines into two sets; those passing through the inside of the tube, and those outside. Consider the volume bounded by the tube and any two surfaces 2786: 188: 31: 228: 2611: 131:. It is a graphical visual aid for visualizing a magnetic field. Since no magnetic flux passes through the sides of the tube, the flux through any cross section of the tube is equal, and the flux entering the tube at one end is equal to the flux leaving the tube at the other. Both the cross-sectional area of the tube and the magnetic field strength may vary along the length of the tube, but the 568:. In other words, the flux within the tube through any surface intersecting the tube is equal, the tube encloses a constant quantity of flux along its length. The strength (magnitude) of the vector field, and the cross sectional area of the tube varies along its length, but the surface integral of the field over any surface spanning the tube is equal. 1601: 1469: 2737:
pressure in the flux tube to decrease, known as the plasma density depletion region. If there is a significant difference in the temperatures in the flux tube and the surroundings, there is a decrease in plasma pressure as well as a decrease in the plasma density causing some of the magnetic field to
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are divergenceless, magnetic flux tubes have this property, so flux tubes are mainly used as an aid in visualizing magnetic fields. However flux tubes can also be useful for visualizing other vector fields in regions of zero divergence, such as
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and ranges of shapes from the behavior of the magnetic flux tube. These flux tubes confine plasma and are characterized as isolated. The confined magnetic field strength varies from 0.1 to 10 G with diameters ranging from 200 to 300 km.
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If upon any surface which cuts the lines of fluid motion we draw a closed curve, and if from every point of this curve we draw lines of motion, these lines of motion will generate a tubular surface which we may call a
1659: 834: 1167: 1129: 2596: 1872: 1596:{\displaystyle {\frac {d\Phi _{B}}{dt}}=\int _{S}{\boldsymbol {\nabla }}\times (\mathbf {v} \times \mathbf {B} )\cdot d\mathbf {S} +\oint _{C}\mathbf {B} \cdot \mathbf {v} \times d\mathbf {l} } 1826: 2648:. The large flux tube of the sunspot has a field intensity of around 3 kG with a diameter of typically 4000 km. There are extreme cases of when the large flux tubes have diameters of 2208: 880: 755: 508: 2079: 2143: 2693:
within the flux tube can be compressed by decreasing the gas pressure inside and therefore the internal temperature of the tube while maintaining a constant pressure outside.
2727: 2679: 1898: 1342: 2036: 1297: 1275: 1253: 1464:{\displaystyle {\frac {d\Phi _{B}}{dt}}=\int _{S}{\partial \mathbf {B} \over \partial t}\cdot d\mathbf {S} +\oint _{C}\mathbf {B} \cdot \mathbf {v} \times d\mathbf {l} } 953: 2106: 1759: 1779: 2006: 2278: 1978: 1938: 1728: 1697: 1061: 1034: 1007: 980: 566: 539: 448: 421: 394: 340: 110: 83: 2314: 2512: 2338: 2253: 2231: 1958: 1918: 1317: 924: 904: 775: 718: 694: 468: 363: 52: 1610: 3075: 304:
of a volume of liquid in motion, and an imaginary surface within the liquid, the flux is the volume of liquid passing through the surface per unit time.
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Basic Plasma Processes on the Sun: Proceedings of the 142nd Symposium of the International Astronomical Union Held in Bangalore, India, December 1–5, 1989
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Intense magnetic tubes are isolated flux tubes that have diameters of 100 to 300 km with an overall field strength of 1 to 2 kG and a flux of around
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and the density of the tube increase with the same proportionality. If a flux tube with a configuration of a magnetic field of
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gathering at high altitudes of the ionosphere on the sun side of the planets and causing the flux tubes to distort along the
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fluid is conserved. In other words, the magnetic field is constrained to move with the fluid or is "frozen-in" to the fluid.
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Bhardwaj, A.; Gladstone, G. R.; Zarka, P. (2001). "An Overview of Io Flux Tube Footpoints in Juptier's Auroral Ionosphere".
1153:, Alfvén's theorem states that the magnetic flux through a surface, such as the surface of a flux tube, moving along with a 1226:{\displaystyle {\frac {\partial \mathbf {B} }{\partial t}}={\boldsymbol {\nabla }}\times (\mathbf {v} \times \mathbf {B} )} 3389: 3943: 3818: 3747: 3416: 3123: 275: 1277:
is the velocity field of the fluid. The change in magnetic flux over time through any open surface of the flux tube
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Parker, E. N. (1979). "Sunspots and the Physics of Magnetic Flux Tubes. I The General Nature of the Sunspot".
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particles that make up all matter, such as neutrons and protons, are composed of more basic particles called
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the sum of the flux leaving the volume through these two surfaces will be zero, so the flux leaving through
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has sources or sinks within the tube the flux out of this volume will be nonzero. However, if the field is
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With the magnetohydrostatic equilibrium condition met, a cylindrical flux tube's plasma pressure of
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In magnetohydrostatic equilibrium, the following condition is met for the equation of motion of the
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Graphic of the magnetosphere of Jupiter with a flux tube connecting Jupiter and Io shown in yellow.
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Peter, H.; et al. (2013). "Structure of Solar Coronal Loops: from Miniature to Large-Scale".
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in regions where there are no charges and gravitational fields in regions where there is no mass.
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Wb. These flux tubes are concentrated strong magnetic fields that are found between solar
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occur when small flux tubes combine into a large flux tube that breaks the surface of the
2290: 8: 2918: 2902: 648: 127:, B, such that the cylindrical sides of the tube are everywhere parallel to the magnetic 120: 3477: 3400: 3355: 3218: 2968: 3742: 3426: 3408: 3340:"Evidence for a Magnetic Flux Rope in Observations of a Solar Prominence-Cavity System" 3295: 3269: 3237: 3204: 3192: 2497: 2323: 2238: 2216: 1943: 1903: 1604: 1302: 1161: 909: 889: 760: 703: 679: 511: 453: 348: 37: 3485: 1607:
and an elementary vector identity on the first and second term, respectively, to give
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of the field over the surface. For example, for a vector field consisting of the
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Diagram of coronal loops that consist of plasma confined to magnetic flux tubes.
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or plasma) is strongly influenced by the field. They are commonly found around
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Plasma that is trapped within magnetic flux tubes that are attached to the
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are also associated with larger flux tubes of 2500 km diameter. Some
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mechanism, why quarks are never seen separately in particle experiments.
1654:{\displaystyle \int _{S}\mathbf {B} \cdot d\mathbf {S} ={\text{const}}.} 632:
Magnetic flux tube that does not have a magnetic field outside the tube.
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increase and are scaled the same while transverse expansion decreases
3890: 3586: 3555: 2880: 2745:, referred to as footpoints, create a loop-like structure known as a 1009:, then the magnetic field strength must increase proportionally from 607:
field. The flux tube model is important in explaining the so-called
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also have flux tubes. A well-known example is the flux tube between
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Tube-like region of space with constant magnet flux along its length
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are modeled using twisted magnetic flux tubes known as flux ropes.
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The result of emerging twisted flux tubes from the interior of the
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can continue to grow as long as there is a constant supply of new
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confined to the tube is compressed by a scalar value defined as
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approximately 450 km in diameter at the points closest to
2872: 2610: 596: 163: 3193:"Coronal Loops: Observations and Modeling of Confined Plasma" 2822: 1124:{\displaystyle {\frac {B_{2}}{B_{1}}}={\frac {A_{1}}{A_{2}}}} 600: 2818: 2686: 2591:{\displaystyle \Phi (R)={\frac {LB_{\phi }(R)}{RB_{z}(R)}}} 1699:
is compressed while the length of tube stays the same, the
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This can be shown mathematically for a flux tube using the
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Diagram of a flux tube showing the magnetic field lines
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in opposite field directions get close to one another.
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tubes from tens to hundreds of kilometers in diameter.
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Cosmic Magnetic Fields Their Origin and Their Activity
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in order to satisfy the condition of constant flux F.
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Maxwell, J. C. (1861). "On Physical Lines of Force".
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from small flux tubes on the surface of the Sun. The
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passing through any closed orientable surface is the
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gave rise to the concept of a flux tube inspired by
2990:Roberts, B (1990). "Waves in Magnetic Flux Tubes". 1781:, the new magnetic field and density are given by: 2721: 2673: 2590: 2506: 2478: 2332: 2308: 2272: 2247: 2225: 2202: 2137: 2100: 2073: 2030: 2000: 1972: 1952: 1932: 1912: 1892: 1866: 1820: 1773: 1753: 1722: 1691: 1653: 1595: 1463: 1336: 1311: 1291: 1269: 1247: 1225: 1123: 1055: 1028: 1001: 974: 947: 918: 898: 874: 828: 769: 749: 712: 688: 560: 533: 502: 462: 442: 415: 388: 357: 334: 104: 77: 46: 813: 603:, which are bound together by thin flux tubes of 3935: 3146:"Solar Photospheric Magnetic Flux Tubes: Theory" 2486:The second term in the above equation gives the 2081:while the density of the tube remains the same, 3387: 1821:{\displaystyle B={\frac {B_{0}}{\lambda ^{2}}}} 307:A flux tube can be defined passing through any 2316:is given by the following relation written in 3511: 3007:Philosophical Magazine and Journal of Science 3073: 2793:Magnetized planets have an area above their 2203:{\displaystyle 0=-\nabla p+j\times B-\rho g} 1663: 875:{\displaystyle \nabla \cdot \mathbf {B} =0} 541:will be equal to the flux entering through 256:. Unsourced material may be challenged and 3518: 3504: 3153:Encyclopedia of Astronomy and Astrophysics 2490:force while the third term represents the 819: 750:{\displaystyle \mathbf {B} (\mathbf {x} )} 3363: 3344:Frontiers in Astronomy and Space Sciences 3273: 3236: 3226: 3208: 2765:cause twisted magnetic structures in the 2011:Extending the length of the flux tube by 276:Learn how and when to remove this message 2837:creating flux ropes. Particles from the 2784: 2609: 2340:as the distance from the axis radially: 187: 29: 3143: 3004: 2989: 1980:by the same value and proportion where 1672:, if a cylindrical flux tube of length 503:{\displaystyle \operatorname {div} F=0} 54:in the tube walls. The same amount of 14: 3936: 3337: 3109: 3044: 2954: 2856:that occurs when a flux tube from the 3499: 3388:Kivelson, M. G.; Bagenal, F. (2007). 3383: 3381: 3379: 3377: 3375: 3259: 3190: 3074:Priest, E. R.; Forbes, T. G. (2001). 3040: 2618:Examples of solar flux tubes include 1471:. Using the induction equation gives 671: 3186: 3184: 3182: 3180: 3139: 3137: 3135: 3038: 3036: 3034: 3032: 3030: 3028: 3026: 3024: 3022: 3020: 2950: 2948: 2946: 2944: 2942: 2940: 2938: 2936: 2934: 2797:which traps energetic particles and 2255:is the current density of the plasma 1138: 720:intersecting the tube, equal to the 659:". Maxwell described flux tubes as: 254:adding citations to reliable sources 221: 181: 3525: 3312: 2817:is modeled as magnetic flux tubes. 2074:{\displaystyle L=\lambda ^{*}L_{0}} 1900:, known as transverse compression, 85:as leaves the tube through surface 24: 3372: 3338:Jibben, P.R.; et al. (2016). 2681:km with a field strength of 3 kG. 2622:and intense magnetic tubes in the 2521: 2173: 2148: 1485: 1404: 1394: 1358: 1184: 1174: 855: 365:, as the set of all points on the 25: 3955: 3819:Sura Ionospheric Heating Facility 3177: 3132: 3067: 3017: 2983: 2931: 2829:resulting in flux tubes from the 2138:{\displaystyle \lambda ^{*}B_{0}} 1319:with a differential line element 1133: 3409:10.1016/B978-012088589-3/50032-3 2733:. The magnetic field causes the 1636: 1625: 1589: 1578: 1570: 1552: 1538: 1530: 1519: 1457: 1446: 1438: 1420: 1398: 1330: 1285: 1263: 1241: 1216: 1208: 1197: 1178: 1164:of a perfectly conducting fluid 862: 810: 800: 740: 732: 369:passing through the boundary of 226: 186: 58:enters the tube through surface 3457: 3331: 3306: 3197:Living Reviews in Solar Physics 3047:Magnetohydrodynamics of the Sun 123:) region of space containing a 3253: 3103: 2998: 2899:, sometimes called a flux tube 2753:get their characteristic high 2722:{\displaystyle 3\times 10^{9}} 2674:{\displaystyle 6\times 10^{4}} 2582: 2576: 2558: 2552: 2530: 2524: 2514:to the other end is given by: 2303: 2297: 1542: 1526: 1220: 1204: 744: 736: 450:intersecting it. If the field 13: 1: 3675:Interplanetary magnetic field 3617:Magnetosphere particle motion 3486:10.1016/s0273-1177(01)00280-0 2924: 2813:away from the sun known as a 1893:{\displaystyle \lambda <1} 1603:which can be rewritten using 1337:{\displaystyle d\mathbf {l} } 177: 3262:Astronomy & Astrophysics 2780: 2031:{\displaystyle \lambda ^{*}} 1292:{\displaystyle \mathbf {S} } 1270:{\displaystyle \mathbf {v} } 1248:{\displaystyle \mathbf {B} } 836:Since the magnetic field is 197:appears to contradict itself 7: 3292:10.1051/0004-6361/201321826 2890: 2867:Flux tubes that occur from 2600: 2157:confined to the flux tube: 948:{\displaystyle F\approx BA} 623:Twisted magnetic flux tube. 135:inside is always constant. 10: 3960: 3680:Heliospheric current sheet 3466:Advances in Space Research 3390:"Planetary Magnetospheres" 3051:Cambridge University Press 2844:lines can transfer to the 1670:ideal magnetohydrodynamics 1255:is the magnetic field and 1142: 676:The flux tube's strength, 657:On Physical Lines of Force 640: 636: 119:is a generally tube-like ( 3878: 3827: 3784: 3708: 3640: 3574: 3533: 2957:The Astrophysical Journal 2860:and a flux tube from the 2852:through the processes of 2626:and the field around the 2101:{\displaystyle \rho _{0}} 1754:{\displaystyle \rho _{0}} 1664:Compression and extension 577:Gauss's law for magnetism 3944:Concepts in astrophysics 3632:Van Allen radiation belt 3612:Magnetosphere chronology 3365:10.3389/fspas.2016.00010 2605: 1774:{\displaystyle \lambda } 846:Gauss' law for magnetism 614: 195:This article or section 3541:Atmospheric circulation 3284:2013A&A...556A.104P 3161:10.1888/0333750888/2255 3116:Oxford University Press 2809:. The extension of the 2318:cylindrical coordinates 2001:{\displaystyle B/\rho } 926:can be approximated as 696:, is defined to be the 3551:Earth's magnetic field 3110:Parker, E. N. (1979). 3076:"Magnetohydrodynamics" 2790: 2723: 2675: 2615: 2592: 2508: 2492:magnetic tension force 2480: 2334: 2310: 2274: 2273:{\displaystyle \rho g} 2249: 2233:is the plasma pressure 2227: 2204: 2139: 2102: 2075: 2038:gives a new length of 2032: 2002: 1974: 1954: 1934: 1914: 1894: 1868: 1822: 1775: 1755: 1724: 1693: 1655: 1597: 1465: 1338: 1313: 1293: 1271: 1249: 1227: 1125: 1057: 1030: 1003: 976: 949: 920: 900: 876: 830: 771: 751: 724:of the magnetic field 714: 690: 669: 562: 535: 504: 464: 444: 417: 390: 359: 336: 112: 106: 79: 48: 3655:Coronal mass ejection 3575:Earth's magnetosphere 2869:magnetic reconnection 2854:magnetic reconnection 2788: 2769:, which then lead to 2724: 2676: 2613: 2593: 2509: 2481: 2335: 2311: 2275: 2250: 2228: 2205: 2140: 2103: 2076: 2033: 2003: 1975: 1973:{\displaystyle \rho } 1955: 1935: 1933:{\displaystyle \rho } 1915: 1895: 1869: 1823: 1776: 1756: 1725: 1723:{\displaystyle B_{0}} 1694: 1692:{\displaystyle L_{0}} 1656: 1598: 1466: 1339: 1314: 1294: 1272: 1250: 1228: 1126: 1058: 1056:{\displaystyle B_{2}} 1031: 1029:{\displaystyle B_{1}} 1004: 1002:{\displaystyle A_{2}} 977: 975:{\displaystyle A_{1}} 950: 921: 901: 877: 831: 772: 752: 715: 691: 666:tube of fluid motion. 661: 563: 561:{\displaystyle S_{1}} 536: 534:{\displaystyle S_{2}} 505: 465: 445: 443:{\displaystyle S_{2}} 418: 416:{\displaystyle S_{1}} 391: 389:{\displaystyle S_{1}} 360: 337: 335:{\displaystyle S_{1}} 205:for more information. 107: 105:{\displaystyle S_{2}} 80: 78:{\displaystyle S_{1}} 49: 33: 3828:Other magnetospheres 3690:Solar particle event 3395:. pp. 519–540. 3228:10.12942/lrsp-2014-4 3144:Roberts, B. (2001). 3053:. pp. 100–103. 2913:Magnetohydrodynamics 2848:lines of a planet's 2835:magnetic field lines 2700: 2652: 2518: 2498: 2344: 2324: 2309:{\displaystyle p(R)} 2291: 2261: 2239: 2217: 2161: 2112: 2085: 2042: 2015: 1984: 1964: 1944: 1924: 1904: 1878: 1831: 1785: 1765: 1738: 1707: 1676: 1611: 1475: 1348: 1323: 1303: 1281: 1259: 1237: 1168: 1155:perfectly conducting 1151:magnetohydrodynamics 1067: 1040: 1013: 986: 959: 930: 910: 890: 884:cross-sectional area 852: 780: 761: 728: 704: 680: 605:strong nuclear force 545: 518: 482: 454: 427: 400: 373: 349: 319: 250:improve this section 89: 62: 38: 3478:2001AdSpR..27.1915B 3401:2007ess..book..519K 3356:2016FrASS...3...10J 3219:2014LRSP...11....4R 3045:Priest, E. (2014). 2969:1979ApJ...230..905P 2919:Marklund convection 2903:Flux transfer event 2738:escape the plasma. 2465: 2430: 2412: 2282:gravitational force 842:Maxwell's equations 649:James Clerk Maxwell 573:Maxwell's equations 3191:Reale, F. (2014). 2791: 2719: 2671: 2616: 2588: 2504: 2476: 2451: 2416: 2398: 2330: 2306: 2270: 2245: 2223: 2200: 2135: 2098: 2071: 2028: 1998: 1970: 1950: 1930: 1910: 1890: 1864: 1818: 1771: 1751: 1720: 1689: 1651: 1593: 1461: 1344:can be written as 1334: 1309: 1289: 1267: 1245: 1223: 1162:induction equation 1121: 1053: 1026: 999: 972: 945: 916: 896: 872: 826: 767: 747: 710: 700:through a surface 686: 672:Flux tube strength 558: 531: 512:divergence theorem 500: 460: 440: 413: 386: 355: 332: 113: 102: 75: 44: 3931: 3930: 3785:Research projects 3753: 3724: 3665:Geomagnetic storm 3582:Birkeland current 3472:(11): 1915–1922. 3445:Missing or empty 3324:978-3-319-10416-4 3315:Solar Prominences 3060:978-0-521-85471-9 2908:Birkeland current 2825:both have strong 2805:, referred to as 2775:Solar prominences 2771:solar prominences 2586: 2507:{\displaystyle L} 2488:magnetic pressure 2474: 2440: 2389: 2371: 2333:{\displaystyle R} 2248:{\displaystyle j} 2226:{\displaystyle p} 1953:{\displaystyle B} 1913:{\displaystyle B} 1862: 1816: 1646: 1503: 1411: 1376: 1312:{\displaystyle C} 1191: 1139:Flux conservation 1119: 1092: 919:{\displaystyle F} 899:{\displaystyle A} 816: 770:{\displaystyle S} 713:{\displaystyle S} 689:{\displaystyle F} 609:color confinement 463:{\displaystyle F} 358:{\displaystyle F} 286: 285: 278: 220: 219: 154:, which has many 47:{\displaystyle B} 16:(Redirected from 3951: 3769:Van Allen Probes 3751: 3722: 3534:Submagnetosphere 3520: 3513: 3506: 3497: 3496: 3490: 3489: 3461: 3455: 3454: 3448: 3442: 3436: 3432: 3430: 3422: 3394: 3385: 3370: 3369: 3367: 3335: 3329: 3328: 3313:Fan, Y. (2015). 3310: 3304: 3303: 3277: 3257: 3251: 3250: 3240: 3230: 3212: 3188: 3175: 3174: 3150: 3141: 3130: 3129: 3107: 3101: 3100: 3098: 3097: 3091: 3085:. Archived from 3080: 3071: 3065: 3064: 3042: 3015: 3014: 3002: 2996: 2995: 2987: 2981: 2980: 2952: 2728: 2726: 2725: 2720: 2718: 2717: 2680: 2678: 2677: 2672: 2670: 2669: 2628:solar prominence 2597: 2595: 2594: 2589: 2587: 2585: 2575: 2574: 2561: 2551: 2550: 2537: 2513: 2511: 2510: 2505: 2485: 2483: 2482: 2477: 2475: 2473: 2464: 2459: 2450: 2445: 2441: 2439: 2431: 2429: 2424: 2411: 2406: 2396: 2390: 2388: 2377: 2372: 2370: 2362: 2354: 2339: 2337: 2336: 2331: 2315: 2313: 2312: 2307: 2279: 2277: 2276: 2271: 2254: 2252: 2251: 2246: 2232: 2230: 2229: 2224: 2209: 2207: 2206: 2201: 2144: 2142: 2141: 2136: 2134: 2133: 2124: 2123: 2107: 2105: 2104: 2099: 2097: 2096: 2080: 2078: 2077: 2072: 2070: 2069: 2060: 2059: 2037: 2035: 2034: 2029: 2027: 2026: 2007: 2005: 2004: 1999: 1994: 1979: 1977: 1976: 1971: 1959: 1957: 1956: 1951: 1939: 1937: 1936: 1931: 1919: 1917: 1916: 1911: 1899: 1897: 1896: 1891: 1873: 1871: 1870: 1865: 1863: 1861: 1860: 1851: 1850: 1841: 1827: 1825: 1824: 1819: 1817: 1815: 1814: 1805: 1804: 1795: 1780: 1778: 1777: 1772: 1760: 1758: 1757: 1752: 1750: 1749: 1729: 1727: 1726: 1721: 1719: 1718: 1698: 1696: 1695: 1690: 1688: 1687: 1660: 1658: 1657: 1652: 1647: 1644: 1639: 1628: 1623: 1622: 1602: 1600: 1599: 1594: 1592: 1581: 1573: 1568: 1567: 1555: 1541: 1533: 1522: 1517: 1516: 1504: 1502: 1494: 1493: 1492: 1479: 1470: 1468: 1467: 1462: 1460: 1449: 1441: 1436: 1435: 1423: 1412: 1410: 1402: 1401: 1392: 1390: 1389: 1377: 1375: 1367: 1366: 1365: 1352: 1343: 1341: 1340: 1335: 1333: 1318: 1316: 1315: 1310: 1298: 1296: 1295: 1290: 1288: 1276: 1274: 1273: 1268: 1266: 1254: 1252: 1251: 1246: 1244: 1232: 1230: 1229: 1224: 1219: 1211: 1200: 1192: 1190: 1182: 1181: 1172: 1145:Alfvén's theorem 1130: 1128: 1127: 1122: 1120: 1118: 1117: 1108: 1107: 1098: 1093: 1091: 1090: 1081: 1080: 1071: 1062: 1060: 1059: 1054: 1052: 1051: 1035: 1033: 1032: 1027: 1025: 1024: 1008: 1006: 1005: 1000: 998: 997: 981: 979: 978: 973: 971: 970: 954: 952: 951: 946: 925: 923: 922: 917: 905: 903: 902: 897: 881: 879: 878: 873: 865: 840:, as defined in 835: 833: 832: 827: 818: 817: 809: 803: 798: 797: 776: 774: 773: 768: 756: 754: 753: 748: 743: 735: 722:surface integral 719: 717: 716: 711: 695: 693: 692: 687: 593:particle physics 567: 565: 564: 559: 557: 556: 540: 538: 537: 532: 530: 529: 510:) then from the 509: 507: 506: 501: 469: 467: 466: 461: 449: 447: 446: 441: 439: 438: 422: 420: 419: 414: 412: 411: 395: 393: 392: 387: 385: 384: 364: 362: 361: 356: 341: 339: 338: 333: 331: 330: 298:surface integral 281: 274: 270: 267: 261: 230: 222: 215: 212: 206: 190: 189: 182: 150:, including the 111: 109: 108: 103: 101: 100: 84: 82: 81: 76: 74: 73: 53: 51: 50: 45: 21: 3959: 3958: 3954: 3953: 3952: 3950: 3949: 3948: 3934: 3933: 3932: 3927: 3874: 3823: 3780: 3704: 3636: 3570: 3529: 3527:Magnetospherics 3524: 3494: 3493: 3462: 3458: 3446: 3444: 3434: 3433: 3424: 3423: 3419: 3392: 3386: 3373: 3336: 3332: 3325: 3311: 3307: 3258: 3254: 3189: 3178: 3171: 3148: 3142: 3133: 3126: 3114:. Bristol, UK: 3108: 3104: 3095: 3093: 3089: 3078: 3072: 3068: 3061: 3043: 3018: 3003: 2999: 2988: 2984: 2953: 2932: 2927: 2893: 2827:magnetic fields 2803:magnetic fields 2783: 2713: 2709: 2701: 2698: 2697: 2665: 2661: 2653: 2650: 2649: 2608: 2603: 2570: 2566: 2562: 2546: 2542: 2538: 2536: 2519: 2516: 2515: 2499: 2496: 2495: 2466: 2460: 2455: 2449: 2432: 2425: 2420: 2407: 2402: 2397: 2395: 2391: 2381: 2376: 2363: 2355: 2353: 2345: 2342: 2341: 2325: 2322: 2321: 2292: 2289: 2288: 2262: 2259: 2258: 2240: 2237: 2236: 2218: 2215: 2214: 2162: 2159: 2158: 2151: 2149:Plasma pressure 2129: 2125: 2119: 2115: 2113: 2110: 2109: 2092: 2088: 2086: 2083: 2082: 2065: 2061: 2055: 2051: 2043: 2040: 2039: 2022: 2018: 2016: 2013: 2012: 1990: 1985: 1982: 1981: 1965: 1962: 1961: 1945: 1942: 1941: 1925: 1922: 1921: 1905: 1902: 1901: 1879: 1876: 1875: 1856: 1852: 1846: 1842: 1840: 1832: 1829: 1828: 1810: 1806: 1800: 1796: 1794: 1786: 1783: 1782: 1766: 1763: 1762: 1745: 1741: 1739: 1736: 1735: 1714: 1710: 1708: 1705: 1704: 1683: 1679: 1677: 1674: 1673: 1666: 1643: 1635: 1624: 1618: 1614: 1612: 1609: 1608: 1605:Stokes' theorem 1588: 1577: 1569: 1563: 1559: 1551: 1537: 1529: 1518: 1512: 1508: 1495: 1488: 1484: 1480: 1478: 1476: 1473: 1472: 1456: 1445: 1437: 1431: 1427: 1419: 1403: 1397: 1393: 1391: 1385: 1381: 1368: 1361: 1357: 1353: 1351: 1349: 1346: 1345: 1329: 1324: 1321: 1320: 1304: 1301: 1300: 1284: 1282: 1279: 1278: 1262: 1260: 1257: 1256: 1240: 1238: 1235: 1234: 1215: 1207: 1196: 1183: 1177: 1173: 1171: 1169: 1166: 1165: 1147: 1141: 1136: 1113: 1109: 1103: 1099: 1097: 1086: 1082: 1076: 1072: 1070: 1068: 1065: 1064: 1047: 1043: 1041: 1038: 1037: 1020: 1016: 1014: 1011: 1010: 993: 989: 987: 984: 983: 966: 962: 960: 957: 956: 931: 928: 927: 911: 908: 907: 891: 888: 887: 861: 853: 850: 849: 808: 807: 799: 793: 789: 781: 778: 777: 762: 759: 758: 739: 731: 729: 726: 725: 705: 702: 701: 681: 678: 677: 674: 653:Michael Faraday 645: 639: 617: 586:electric fields 581:magnetic fields 552: 548: 546: 543: 542: 525: 521: 519: 516: 515: 483: 480: 479: 455: 452: 451: 434: 430: 428: 425: 424: 407: 403: 401: 398: 397: 380: 376: 374: 371: 370: 350: 347: 346: 326: 322: 320: 317: 316: 282: 271: 265: 262: 247: 231: 216: 210: 207: 201:Please see the 200: 191: 180: 96: 92: 90: 87: 86: 69: 65: 63: 60: 59: 39: 36: 35: 28: 23: 22: 18:Flux tube model 15: 12: 11: 5: 3957: 3947: 3946: 3929: 3928: 3926: 3925: 3924: 3923: 3918: 3913: 3908: 3898: 3893: 3888: 3882: 3880: 3879:Related topics 3876: 3875: 3873: 3872: 3867: 3862: 3857: 3852: 3847: 3842: 3837: 3831: 3829: 3825: 3824: 3822: 3821: 3816: 3811: 3810: 3809: 3799: 3794: 3788: 3786: 3782: 3781: 3779: 3778: 3771: 3766: 3761: 3754: 3745: 3740: 3735: 3730: 3725: 3716: 3712: 3710: 3706: 3705: 3703: 3702: 3697: 3692: 3687: 3682: 3677: 3672: 3667: 3662: 3657: 3652: 3650:Magnetic cloud 3646: 3644: 3638: 3637: 3635: 3634: 3629: 3624: 3619: 3614: 3609: 3604: 3599: 3594: 3589: 3584: 3578: 3576: 3572: 3571: 3569: 3568: 3563: 3558: 3553: 3548: 3543: 3537: 3535: 3531: 3530: 3523: 3522: 3515: 3508: 3500: 3492: 3491: 3456: 3435:|journal= 3417: 3371: 3330: 3323: 3305: 3252: 3176: 3169: 3131: 3124: 3102: 3066: 3059: 3016: 2997: 2982: 2977:10.1086/157150 2929: 2928: 2926: 2923: 2922: 2921: 2916: 2910: 2905: 2900: 2892: 2889: 2846:magnetic field 2842:magnetic field 2807:magnetospheres 2782: 2779: 2716: 2712: 2708: 2705: 2691:magnetic field 2668: 2664: 2660: 2657: 2607: 2604: 2602: 2599: 2584: 2581: 2578: 2573: 2569: 2565: 2560: 2557: 2554: 2549: 2545: 2541: 2535: 2532: 2529: 2526: 2523: 2503: 2472: 2469: 2463: 2458: 2454: 2448: 2444: 2438: 2435: 2428: 2423: 2419: 2415: 2410: 2405: 2401: 2394: 2387: 2384: 2380: 2375: 2369: 2366: 2361: 2358: 2352: 2349: 2329: 2305: 2302: 2299: 2296: 2285: 2284: 2269: 2266: 2256: 2244: 2234: 2222: 2199: 2196: 2193: 2190: 2187: 2184: 2181: 2178: 2175: 2172: 2169: 2166: 2150: 2147: 2132: 2128: 2122: 2118: 2095: 2091: 2068: 2064: 2058: 2054: 2050: 2047: 2025: 2021: 1997: 1993: 1989: 1969: 1949: 1929: 1909: 1889: 1886: 1883: 1859: 1855: 1849: 1845: 1839: 1836: 1813: 1809: 1803: 1799: 1793: 1790: 1770: 1748: 1744: 1717: 1713: 1701:magnetic field 1686: 1682: 1665: 1662: 1650: 1642: 1638: 1634: 1631: 1627: 1621: 1617: 1591: 1587: 1584: 1580: 1576: 1572: 1566: 1562: 1558: 1554: 1550: 1547: 1544: 1540: 1536: 1532: 1528: 1525: 1521: 1515: 1511: 1507: 1501: 1498: 1491: 1487: 1483: 1459: 1455: 1452: 1448: 1444: 1440: 1434: 1430: 1426: 1422: 1418: 1415: 1409: 1406: 1400: 1396: 1388: 1384: 1380: 1374: 1371: 1364: 1360: 1356: 1332: 1328: 1308: 1287: 1265: 1243: 1222: 1218: 1214: 1210: 1206: 1203: 1199: 1195: 1189: 1186: 1180: 1176: 1143:Main article: 1140: 1137: 1135: 1134:Plasma physics 1132: 1116: 1112: 1106: 1102: 1096: 1089: 1085: 1079: 1075: 1050: 1046: 1023: 1019: 996: 992: 969: 965: 944: 941: 938: 935: 915: 895: 871: 868: 864: 860: 857: 844:(specifically 825: 822: 815: 812: 806: 802: 796: 792: 788: 785: 766: 746: 742: 738: 734: 709: 685: 673: 670: 641:Main article: 638: 635: 634: 633: 624: 616: 613: 575:(specifically 555: 551: 528: 524: 499: 496: 493: 490: 487: 472:divergenceless 459: 437: 433: 410: 406: 383: 379: 354: 329: 325: 284: 283: 234: 232: 225: 218: 217: 194: 192: 185: 179: 176: 125:magnetic field 99: 95: 72: 68: 43: 26: 9: 6: 4: 3: 2: 3956: 3945: 3942: 3941: 3939: 3922: 3919: 3917: 3914: 3912: 3909: 3907: 3904: 3903: 3902: 3899: 3897: 3894: 3892: 3889: 3887: 3884: 3883: 3881: 3877: 3871: 3868: 3866: 3863: 3861: 3858: 3856: 3853: 3851: 3848: 3846: 3843: 3841: 3838: 3836: 3833: 3832: 3830: 3826: 3820: 3817: 3815: 3812: 3808: 3805: 3804: 3803: 3800: 3798: 3795: 3793: 3790: 3789: 3787: 3783: 3777: 3776: 3772: 3770: 3767: 3765: 3762: 3760: 3759: 3755: 3749: 3746: 3744: 3741: 3739: 3736: 3734: 3731: 3729: 3726: 3720: 3717: 3714: 3713: 3711: 3707: 3701: 3700:Space weather 3698: 3696: 3695:Space climate 3693: 3691: 3688: 3686: 3683: 3681: 3678: 3676: 3673: 3671: 3668: 3666: 3663: 3661: 3658: 3656: 3653: 3651: 3648: 3647: 3645: 3643: 3639: 3633: 3630: 3628: 3625: 3623: 3620: 3618: 3615: 3613: 3610: 3608: 3607:Magnetosphere 3605: 3603: 3602:Magnetosheath 3600: 3598: 3595: 3593: 3590: 3588: 3585: 3583: 3580: 3579: 3577: 3573: 3567: 3564: 3562: 3559: 3557: 3554: 3552: 3549: 3547: 3544: 3542: 3539: 3538: 3536: 3532: 3528: 3521: 3516: 3514: 3509: 3507: 3502: 3501: 3498: 3487: 3483: 3479: 3475: 3471: 3467: 3460: 3452: 3440: 3428: 3420: 3418:9780120885893 3414: 3410: 3406: 3402: 3398: 3391: 3384: 3382: 3380: 3378: 3376: 3366: 3361: 3357: 3353: 3349: 3345: 3341: 3334: 3326: 3320: 3316: 3309: 3301: 3297: 3293: 3289: 3285: 3281: 3276: 3271: 3267: 3263: 3256: 3248: 3244: 3239: 3234: 3229: 3224: 3220: 3216: 3211: 3206: 3202: 3198: 3194: 3187: 3185: 3183: 3181: 3172: 3166: 3162: 3158: 3154: 3147: 3140: 3138: 3136: 3127: 3125:0-19-851290-2 3121: 3117: 3113: 3106: 3092:on 2017-11-09 3088: 3084: 3077: 3070: 3062: 3056: 3052: 3048: 3041: 3039: 3037: 3035: 3033: 3031: 3029: 3027: 3025: 3023: 3021: 3012: 3008: 3001: 2993: 2986: 2978: 2974: 2970: 2966: 2962: 2958: 2951: 2949: 2947: 2945: 2943: 2941: 2939: 2937: 2935: 2930: 2920: 2917: 2914: 2911: 2909: 2906: 2904: 2901: 2898: 2895: 2894: 2888: 2886: 2882: 2879:and its moon 2878: 2874: 2871:forms into a 2870: 2865: 2863: 2862:magnetosphere 2859: 2855: 2851: 2850:magnetosphere 2847: 2843: 2840: 2836: 2832: 2828: 2824: 2820: 2816: 2812: 2811:magnetosphere 2808: 2804: 2800: 2796: 2787: 2778: 2776: 2772: 2768: 2764: 2759: 2756: 2752: 2751:coronal loops 2748: 2744: 2739: 2736: 2732: 2714: 2710: 2706: 2703: 2694: 2692: 2688: 2684: 2666: 2662: 2658: 2655: 2647: 2643: 2639: 2637: 2633: 2632:coronal loops 2629: 2625: 2621: 2612: 2598: 2579: 2571: 2567: 2563: 2555: 2547: 2543: 2539: 2533: 2527: 2501: 2493: 2489: 2470: 2467: 2461: 2456: 2452: 2446: 2442: 2436: 2433: 2426: 2421: 2417: 2413: 2408: 2403: 2399: 2392: 2385: 2382: 2378: 2373: 2367: 2364: 2359: 2356: 2350: 2347: 2327: 2319: 2300: 2294: 2283: 2267: 2264: 2257: 2242: 2235: 2220: 2213: 2212: 2211: 2197: 2194: 2191: 2188: 2185: 2182: 2179: 2176: 2170: 2167: 2164: 2156: 2146: 2130: 2126: 2120: 2116: 2093: 2089: 2066: 2062: 2056: 2052: 2048: 2045: 2023: 2019: 2009: 2008:is constant. 1995: 1991: 1987: 1967: 1947: 1927: 1907: 1887: 1884: 1881: 1857: 1853: 1847: 1843: 1837: 1834: 1811: 1807: 1801: 1797: 1791: 1788: 1768: 1746: 1742: 1733: 1715: 1711: 1702: 1684: 1680: 1671: 1661: 1648: 1640: 1632: 1629: 1619: 1615: 1606: 1585: 1582: 1574: 1564: 1560: 1556: 1548: 1545: 1534: 1523: 1513: 1509: 1505: 1499: 1496: 1489: 1481: 1453: 1450: 1442: 1432: 1428: 1424: 1416: 1413: 1407: 1386: 1382: 1378: 1372: 1369: 1362: 1354: 1326: 1306: 1212: 1201: 1193: 1187: 1163: 1158: 1156: 1152: 1146: 1131: 1114: 1110: 1104: 1100: 1094: 1087: 1083: 1077: 1073: 1048: 1044: 1021: 1017: 994: 990: 967: 963: 942: 939: 936: 933: 913: 893: 885: 869: 866: 858: 847: 843: 839: 823: 820: 804: 794: 790: 786: 783: 764: 723: 707: 699: 698:magnetic flux 683: 668: 667: 660: 658: 654: 650: 644: 643:Line of force 631: 629: 625: 622: 619: 618: 612: 610: 606: 602: 598: 594: 589: 587: 582: 578: 574: 569: 553: 549: 526: 522: 513: 497: 494: 491: 488: 485: 477: 473: 457: 435: 431: 408: 404: 381: 377: 368: 352: 345: 327: 323: 314: 310: 305: 303: 299: 295: 291: 280: 277: 269: 259: 255: 251: 245: 244: 240: 235:This section 233: 229: 224: 223: 214: 204: 198: 193: 184: 183: 175: 173: 170:and its moon 169: 165: 161: 157: 153: 149: 145: 141: 136: 134: 133:magnetic flux 130: 126: 122: 118: 97: 93: 70: 66: 57: 56:magnetic flux 41: 32: 19: 3901:Ring systems 3896:Lunar swirls 3885: 3773: 3756: 3627:Ring current 3622:Plasmasphere 3597:Magnetopause 3469: 3465: 3459: 3447:|title= 3347: 3343: 3333: 3317:. Springer. 3314: 3308: 3265: 3261: 3255: 3200: 3196: 3152: 3111: 3105: 3094:. Retrieved 3087:the original 3082: 3069: 3046: 3010: 3006: 3000: 2994:. Edition 1. 2991: 2985: 2960: 2956: 2866: 2792: 2760: 2747:coronal loop 2740: 2695: 2640: 2617: 2286: 2152: 2010: 1667: 1299:enclosed by 1159: 1148: 675: 665: 662: 646: 626: 620: 590: 570: 344:vector field 306: 294:vector field 287: 272: 266:January 2023 263: 248:Please help 236: 211:January 2023 208: 196: 140:astrophysics 137: 116: 114: 3807:Unwin Radar 3733:Double Star 3670:Heliosphere 3660:Solar flare 2963:: 905–913. 2815:magnetotail 2795:ionospheres 2743:photosphere 2646:photosphere 2624:photosphere 1734:density of 571:Since from 367:field lines 144:ionized gas 138:As used in 129:field lines 121:cylindrical 3855:Ganymedian 3728:Cluster II 3709:Satellites 3685:Heliopause 3642:Solar wind 3592:Ionosphere 3566:Polar wind 3561:Jet stream 3170:0333750888 3096:2017-04-18 2925:References 2897:QCD string 2858:solar wind 2839:solar wind 2831:solar wind 2755:luminosity 838:solenoidal 621:Flux rope: 476:solenoidal 313:orientable 178:Definition 3891:Gas torus 3886:Flux tube 3870:Neptunian 3860:Saturnian 3814:SuperDARN 3715:Full list 3587:Bow shock 3556:Geosphere 3437:ignored ( 3427:cite book 3300:119237311 3275:1306.4685 3210:1010.5927 2781:Planetary 2707:× 2659:× 2548:ϕ 2522:Φ 2468:μ 2457:ϕ 2437:μ 2404:ϕ 2265:ρ 2195:ρ 2192:− 2186:× 2174:∇ 2171:− 2121:∗ 2117:λ 2090:ρ 2057:∗ 2053:λ 2024:∗ 2020:λ 1996:ρ 1968:ρ 1928:ρ 1882:λ 1854:λ 1844:ρ 1835:ρ 1808:λ 1769:λ 1743:ρ 1630:⋅ 1616:∫ 1583:× 1575:⋅ 1561:∮ 1546:⋅ 1535:× 1524:× 1520:∇ 1510:∫ 1486:Φ 1451:× 1443:⋅ 1429:∮ 1414:⋅ 1405:∂ 1395:∂ 1383:∫ 1359:Φ 1213:× 1202:× 1198:∇ 1185:∂ 1175:∂ 937:≈ 859:⋅ 856:∇ 814:^ 805:⋅ 791:∫ 647:In 1861, 489:⁡ 237:does not 203:talk page 117:flux tube 3938:Category 3268:: A104. 3247:27194957 3203:(1): 4. 2891:See also 2731:granules 2683:Sunspots 2642:Sunspots 2620:sunspots 2601:Examples 315:surface 302:velocity 160:Sunspots 3921:Neptune 3906:Jupiter 3865:Uranian 3845:Martian 3835:Hermian 3738:Geotail 3474:Bibcode 3397:Bibcode 3352:Bibcode 3280:Bibcode 3238:4841190 3215:Bibcode 2965:Bibcode 2885:Jupiter 2877:Jupiter 2634:in the 2280:is the 637:History 258:removed 243:sources 168:Jupiter 164:planets 3916:Uranus 3911:Saturn 3850:Jovian 3792:EISCAT 3764:THEMIS 3752:(2015) 3750:  3723:(2016) 3721:  3546:Aurora 3415:  3350:: 10. 3321:  3298:  3245:  3235:  3167:  3122:  3083:Nature 3057:  2873:dipole 2801:along 2799:plasma 2767:corona 2735:plasma 2636:corona 2210:where 2155:plasma 1732:plasma 1730:and a 1233:where 630:field: 628:Fibril 601:quarks 597:hadron 595:, the 309:closed 3840:Lunar 3802:SHARE 3797:HAARP 3758:Polar 3743:IMAGE 3719:Arase 3393:(PDF) 3296:S2CID 3270:arXiv 3205:arXiv 3149:(PDF) 3090:(PDF) 3079:(PDF) 2915:(MHD) 2823:Venus 2606:Solar 2320:with 1645:const 757:over 615:Types 342:in a 292:of a 148:stars 3775:Wind 3451:help 3439:help 3413:ISBN 3319:ISBN 3243:PMID 3165:ISBN 3120:ISBN 3055:ISBN 2821:and 2819:Mars 2687:flux 2630:and 1960:and 1920:and 1885:< 423:and 290:flux 288:The 241:any 239:cite 156:flux 3748:MMS 3482:doi 3405:doi 3360:doi 3288:doi 3266:556 3233:PMC 3223:doi 3157:doi 2973:doi 2961:230 2763:Sun 1874:If 1668:In 1149:In 1036:to 982:to 848:): 591:In 486:div 252:by 152:Sun 3940:: 3480:. 3470:27 3468:. 3443:; 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Index

Flux tube model

magnetic flux
cylindrical
magnetic field
field lines
magnetic flux
astrophysics
ionized gas
stars
Sun
flux
Sunspots
planets
Jupiter
Io
talk page

cite
sources
improve this section
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removed
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flux
vector field
surface integral
velocity
closed
orientable

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