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Volcanism on Venus

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115: 306:. However, the sulphur dioxide in the lower atmosphere remains stable. This could mean that a change in the global atmosphere caused the sulphur dioxide concentration to increase above the clouds. Even though the change in the atmosphere may be evidence that there have been volcanoes that erupted in Venus, it is difficult to determine whether they occurred or not. In 2014, the first direct evidence for ongoing volcanism was located, in the form of infrared "flashes" over the edges of rift zone 3352: 3362: 20: 138: 127: 537:
of the elevation of the surface of Venus, which assists in the identification of volcanoes. Volcanic features discovered include flood lavas, edifice clusters, shield volcanoes, volcanic cones, and volcanic domes. Since the Magellan mission, more than 1,660 volcanic landforms have been identified on the surface of Venus. Further analysis of the Magellan data revealed more than 85,000 volcanoes.
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confidence of whether a surface feature is a volcano or not. The algorithm examines images of a 30 km × 30 km area of the surface of Venus and areas considered to be volcanoes are reshaped into a vector and processed through a series of equations. This algorithm has been used to identify multiple volcanoes in different mapping images from Venus.
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generally unavailable on Venus. Some scientists question that the phosphine levels found are truly as high as indicated. If the phosphine is present in amounts of 1–5 ppb and can be determined to originate in the mantle, it will imply a deep mantle plume system which contains enough volatiles to produce explosive volcanism.
278:. A nova is formed when large quantities of magma are extruded onto the surface to form radiating ridges and trenches which are highly reflective to radar. These dikes form a symmetrical network around the central point where the lava emerged, where there may also be a depression caused by the collapse of the magma chamber. 358:
Lightning on Venus may serve as a diagnostic of volcanism or atmospheric convection, so some effort has been devoted to detecting possible lightning on Venus. No lightning has been directly observed, but the most compelling evidence is the very low frequency (VLF) radio emissions recorded beneath the
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Arachnoids are so named because they resemble a spider's web, featuring several concentric ovals surrounded by a complex network of radial fractures similar to those of a nova. It is not known whether the 250 or so features identified as arachnoids actually share a common origin, or are the result of
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The Gula Mons volcano is 460 km in diameter, 3.2 km high and is in the Western Eistla Regio Rise. Gula Mons is considered to be a shield volcano. This volcano has a central edifice that is surrounded by the peaks of the volcano. Mapping suggests that there are multiple caldera pits in this
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The Sif Mons volcano is 350 km in diameter, 2 km high, and is in the Western Eistla Regio Rise. Based on the mapping of the volcano, the area around the central caldera is mostly flat with many chain pits surrounding the area. On eastern parts of the volcano, lava has flooded from the main
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Three missions are expected to launch in the 2030s, VERITAS, DAVINCI, and EnVision, all of which will help detect volcanism. Both VERITAS and EnVision will use radar remote sensing to map the surface of Venus at resolution 10 times better than that of Magellan. These missions will allow mapping over
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Locating volcanoes on Venus became possible during the Magellan mission in 1990, which mapped over 95% of the surface of Venus. The surface of Venus is hidden by clouds but surface features can be mapped using synthetic aperture radar. Some images created by this mapping can give a perspective view
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discovered that 37 of Venus's coronae show signs of ongoing activity. Maryland professor Laurent Montesi said, "we are able to point to specific structures and say 'Look, this is not an ancient volcano but one that is active today, dormant perhaps, but not dead...'" The active coronae are clustered
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will also have the Venus Emissivity Mapper (VEM) and a radar imager VISAR (Venus Interferometric Synthetic Aperture Radar). These will map lava fields and volcanoes on Venus' surface. Originally set to launch in 2027, this mission has been delayed until 2030. If VERITAS resumes its original launch
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flows near the summit and on the northern flank. Although many lines of evidence such as this suggest that volcanoes on Venus have been recently active, present-day eruptions at Maat Mons have not been confirmed. Nevertheless, other more recent studies, in 2020, suggest that Venus, though not Maat
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There are over 80,000 volcanoes on Venus detected through radar mapping. For many years scientists debated on whether Venus was currently active or if the volcanic structures were remnants from the past. There are few impact craters on Venus' surface which pointed to relatively recent resurfacing.
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Biological activity has been suggested as an alternate explanation for the phosphines in Venus' atmosphere, but this is unlikely due to the absence of any other biosignatures. Another hypothesis states that the phosphine could be produced in Venus' clouds, but this process requires water which is
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In March 2023, at the 54th Lunar Planetary Science Conference, a team revealed the first images of volcanic activity on the surface of Venus. The announcement consisted of two radar images from different cycles of Magellan data (8 months apart) that displayed a volcanic vent that had expanded by
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orbiter. Using computer simulations they determined that the topography had changed during an 8-month interval, and have concluded that active volcanism was the cause. Until 2023, there had only been hints of active volcanism. In March 2023, Herrick et al. announced that they had imaged a vent
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played a major role in shaping its surface. There are more than 1,000 volcanic structures and possible periodic resurfacing of Venus by floods of lava. The planet may have had a major global resurfacing event about 500 million years ago, from what scientists can tell from the density of impact
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With the Magellan synthetic-aperture radar full-resolution radar map left- and right-look global mosaics at 75 m-per-pixel resolution, we developed a global catalog of volcanoes on Venus that contains ~85,000 edifices, ~99% of which are <5 km in diameter. We find that Venus hosts far more
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After the surface of Venus was mapped, the California Institute of Technology created an algorithm for automatically identifying volcanoes from the mapping images. Certainty that all the identified features are volcanoes is not possible but a system of categories was developed that label the
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has the VenSAR (Venus Synthetic Aperture Radar) instrument that will map down to 30 m resolution and even down to 1 m in select areas. The SRS (Subsurface Radar Sounder) will penetrate the surface up to a kilometer and receive signals back that can be used to describe the internal
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almost 2 square kilometers. This data was over 30 years old at the time of this discovery. The scientists checked that this expansion could not be explained by the angle at which the images were taken through computer simulations, which revealed that the change must be structural.
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and other gasses will help to learn about out gassing from recent volcanoes. DAVINCI will have a probe that descends into the atmosphere collecting data along the way. Atmospheric analysis will provide important information to pair with the recent discovery of active volcanism.
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volcanoes than previously mapped, and that although they are distributed across virtually the entire planet, size–frequency distribution analysis reveals a relative lack of edifices in the 20–100 km diameter range, which could be related to magma availability and eruption rate.
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The Kunapipi Mons volcano has a diameter of 580 km, is 2.5 km high and is on the Juno Chasma rift. The summit of the volcano is a long plateau region. The main edifice of this volcano consists of many short flows and most of these flows are sheet flows.
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has been orbiting Venus since December 2015 and one of its goals is to scan for active volcanism using its infrared cameras, although the infrared detector that was supposed to do this failed in December 2016 after a relatively short period of observations.
314:. These flashes were detectable during two or three consecutive Earth days in 2008 and 2009 and are thought to be caused either by hot gases or lava released from volcanic eruptions. Scientists suspect that there are four volcanoes that may be active: 510:
structures of the planet. This will help to learn about internal workings of volcanic structures. The Venus Emisivity Mapper (VEM) will map the surface in infrared wavelengths which when added to radar can describe the topography of the surface.
243:, volcanoes are mostly of the shield type. Nevertheless, the morphology of volcanoes on Venus is different: on Earth, shield volcanoes can be a few tens of kilometres wide and up to 10 km (6.2 mi) high in the case of 247:, measured from the sea floor. On Venus, these volcanoes can cover hundreds of kilometres in area, but they are relatively flat, with an average height of 1.5 km (0.93 mi). Large volcanoes cause the Venusian 483:
observed three volcanoes that have had eruptions about 250,000 years ago or less, which suggests that Venus is periodically resurfaced by lava flows. She has proposed two missions to Venus to elucidate the planet:
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on Earth. The implication of this is not only that Venus has experienced recent volcanism, but that it is capable of explosive eruptions despite the lack of hydrated melts similar to those created at
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date, the data between VERTIAS and EnVision will pair together similarly to the various cycles of Magellan data. They would then have the opportunity to view volcanic changes across a set of years.
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Volcanism on Venus has taken place within the last 2.5 million years; however, until recently there had been no absolute proof that any volcano on Venus has erupted recently. Recent
172:(large regions of highly deformed terrain, folded and fractured in two or three dimensions, which are unique to Venus). The pancakes are thought to be formed by highly viscous, 1179:. Takahashi, Yukihiro; Sato, Mitsuteru; Imai, Masataka. 19th EGU General Assembly, EGU2017, proceedings from the conference held 23–28 April 2017 in Vienna, Austria., p.11381. 562:
caldera to smaller calderas nearby. Evidence suggests that there were many flank eruptions at this volcano. Most of the flow fields around this volcano are sheet flow fields.
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Saunders, R. S.; Spear, A. J.; Allin, P. C.; Austin, R. S.; Berman, A. L.; Chandlee, R. C.; Clark, J.; Decharon, A. V.; De Jong, E. M.; Griffith, D. G.; Gunn, J. M. (1992).
232:, together with an inflow of seawater, producing a gummier lava that restricts the exit of the gases, and for that reason, composite volcanoes tend to erupt more violently. 251:
to flex downward because of their enormous vertical loads, producing flexural moats or ring fractures around the edifices. Large volcano edifice loading also causes
740:"Volcanoes on Venus Might Still Be Smoking - Planetary science experiments on Earth suggest that the sun's second planet might have ongoing volcanic activity" 691:
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191:. They are thought to have undergone mass wasting events such as landslides on their margins. Sometimes deposits of debris can be seen scattered around them. 3217: 164:. Pancake dome volcanoes are up to 15 km (9.3 mi) in diameter and less than 1 km (0.62 mi) in height and are 100 times larger than 101:
Mons specifically, is indeed currently volcanically active. In 2023, scientists reexamined topographical images of the Maat Mons region taken by the
925: 1902:"A new catalog pinpoints volcanic cones in the best available surface images of Venus – those gathered 30 years ago by NASA's Magellan spacecraft" 298:. In addition to the radar images, there is supporting evidence that volcanism has taken place, including an unusual change in the amount of 2780: 544:
Scientists are also able to determine the age of volcanoes on Venus using images from the Magellan mission, for example by examining
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imagery shows more than 1,000 volcanic structures and evidence of possible periodic resurfacing of the planet by floods of
986:. Mattei, M. F. The Journal of the Association of Lunar and Planetary Observers, Volume 60, Number 2, p.38-39. March 2018. 548:
on regional plains; if the flanking slopes of a volcano do not have wrinkles ridges, then they would be considered young.
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974:. Mattei, M. F. The Journal of the Association of Lunar and Planetary Observers, Volume 53, Number 2, p.6. March 2011. 442:. The phosphines were detected at a height of 70 km, which implies a volcanic eruption on the explosive scale of 27:, is displayed in this perspective view of the surface of Venus, with the vertical scale multiplied by 22.5. Based on 1042: 338: 1611: 1065: 216:. The lava from these volcanoes is relatively fluid and permits the escape of gases. Composite volcanoes, such as 2083: 1474:"Explosive volcanic activity on Venus: The roles of volatile contribution, degassing, and external environment" 389: 454:
on Earth. It is thought that Venus may have primordial water in the mantle that could be concentrated through
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Phosphide comes from metals such as iron and magnesium, which should exist in great quantities in Venus'
1066:"37 active volcanoes found on Venus, scientists say this suggests planet's interior is still 'churning'" 1980: 503:
different time periods that could display more, higher resolution, evidence of current day volcanism.
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Radar mosaic of two 65 km (40 mi) wide (and less than 1 km (0.62 mi) high)
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The second highest mountain and highest volcano of Venus, the 8-km-high (5-mile-high) volcano
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is currently searching for visible lightning on Venus, among other science objectives.
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gas in the upper atmosphere. Sulphur dioxide is an important component of volcanic
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A New Episode of Volcanism on Venus. ESA: Science and technology. December 2, 2012
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will not be mapping the surface, but analyzing the atmosphere. The analysis of SO
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near each other, so positioning geologic survey instruments would now be easier.
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Hunt for optical lightning flash in Venus using LAC onboard Akatsuki spacecraft
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probe revealed evidence for comparatively recent volcanic activity at
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expanding in Magellan images, indicating active volcanism on Venus.
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The most likely resurfacing event would have been volcanic flows.
3166: 2649: 513: 46: 259:-like pattern, affecting magma propagation beneath the surface. 130:
Computer-generated perspective view of pancake domes in Venus's
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formed on Earth. They are usually associated with coronae and
2092: 1713:"VenSAR on EnVision: Taking earth observation radar to Venus" 291: 207: 176:-rich lava erupting under Venus's high atmospheric pressure. 161: 89: 79: 42: 638:"A Morphological and Spatial Analysis of Volcanoes on Venus" 1526: 342: 295: 153: 62: 34: 1188: 690: 1659: 829:"Why the Discovery of an Active Volcano on Venus Matters" 2061: 1770: 70:
craters on the surface. Venus has an atmosphere rich in
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and "tick-like" structures which are not present on
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Bindschadler (1995). 359:clouds by all four of the 310:, near the shield volcano 3346: 3333:Neith (hypothetical moon) 3295: 3270: 3241: 3195: 3159: 3134: 2850: 2841: 2809: 2761: 2735: 2728: 2688: 2505: 2452: 2419: 2225: 2193: 2162: 2155: 2119: 2112: 2099: 2091: 1737:10.1016/j.jag.2017.02.008 1624:10.1186/s40623-017-0773-5 1618:. 2018, vol. 70, nbr. 6. 1495:10.1016/j.pss.2015.01.009 1236:10.1038/s41550-020-1174-4 1166:10.1186/s40645-018-0181-x 3061:Pioneer Venus Multiprobe 2411:List of coronae on Venus 1616:Earth, Planets and Space 1196:; Petkowski, Janusz J.; 286:Recent volcanic activity 144:surface feature on Venus 122:in Venus's Eistla region 65:plains, indicating that 3203:European Venus Explorer 2819:Venus-crosser asteroids 2052:10.1029/GL017i009p01353 1638:. JAXA. 1 November 2011 1562:10.1126/science.1186785 1486:2015P&SS..113...33A 1374:10.1073/pnas.2021689118 1117:10.1126/science.abm7735 880:10.1126/science.abm7735 366:. The Japanese orbiter 3063: / Pioneer 13 3057: / Pioneer 12 2005:10.1006/icar.2001.6633 795:10.1126/sciadv.aax7445 486:Venus Origins Explorer 335:University of Maryland 181:scalloped margin domes 145: 134: 123: 38: 3055:Pioneer Venus Orbiter 2376:Scalloped margin dome 2346:Quetzalpetlatl Corona 376:Atmospheric phosphine 140: 129: 117: 22: 1948:10.1029/2023JE007753 1934:(4): e2023JE007753. 1887:10.1029/2000JE001260 1872:(E10): 24583–24611. 1686:10.5194/epsc2020-447 1536:Elkins-Tanton, Linda 1301:10.1029/2020GL091327 1277:(7): e2020GL091327. 662:10.1029/2023je007753 333:In 2020, a study by 266:(radial networks of 2044:1990GeoRL..17.1353C 1997:2001Icar..152...75S 1940:2023JGRE..12807753H 1906:skyandtelescope.org 1878:2000JGR...10524583B 1789:1992JGR....9713067S 1729:2018IJAEO..64..365G 1677:2020EPSC...14..447S 1554:2010Sci...328..605S 1528:Smrekar, Suzanne E. 1432:1984Sci...223.1072E 1426:(4640): 1072–1074. 1365:2021PNAS..11821689T 1293:2021GeoRL..4891327M 1228:2021NatAs...5..655G 1108:2023Sci...379.1205H 1102:(6638): 1205–1208. 1018:2021PSJ.....2..215D 972:Venus Volcano Watch 871:2023Sci...379.1205H 865:(6638): 1205–1208. 786:2020SciA....6.7445F 709:1992JGR....9713257S 654:2023JGRE..12807753H 92:'s highest volcano 3387:Volcanism on Venus 2434:Guinevere Planitia 2326:Nightingale Corona 1480:. 113–114: 33–48. 1198:Sousa-Silva, Clara 1027:10.3847/PSJ/ac2258 745:The New York Times 472:Suzanne E. Smrekar 404:) is derived from 146: 135: 124: 110:Types of volcanoes 39: 37:flows are visible. 3374: 3373: 3291: 3290: 3187:Venus Life Finder 2858:Sputnik programme 2837: 2836: 2724: 2723: 2221: 2220: 1838:978-0-8186-5825-9 1797:10.1029/92JE01397 717:10.1029/92je01246 595:Volcanism on Mars 386:parts per billion 255:to fracture in a 198:and composite or 96:, in the form of 3394: 3364: 3354: 3353: 3256:Inspiration Mars 2848: 2847: 2733: 2732: 2706:Surface features 2361:Sacajawea Patera 2160: 2159: 2147:Mapping of Venus 2117: 2116: 2104:Outline of Venus 2086: 2079: 2072: 2063: 2062: 2056: 2055: 2038:(9): 1353–1356. 2023: 2017: 2016: 1977:Stofan, Ellen R. 1973: 1964: 1963: 1923: 1917: 1916: 1914: 1912: 1898: 1892: 1891: 1889: 1857: 1848: 1847: 1846: 1845: 1822: 1809: 1808: 1768: 1759: 1758: 1748: 1708: 1699: 1698: 1688: 1657: 1648: 1647: 1645: 1643: 1632: 1626: 1609: 1603: 1601: 1588: 1582: 1580: 1532:Stofan, Ellen R. 1524: 1518: 1517: 1507: 1497: 1469: 1460: 1459: 1411: 1405: 1404: 1394: 1376: 1344: 1331: 1330: 1320: 1286: 1262: 1256: 1255: 1221: 1206:Nature Astronomy 1190:Greaves, Jane S. 1186: 1180: 1174: 1168: 1155: 1146: 1145: 1119: 1087: 1078: 1077: 1075: 1073: 1061: 1055: 1054: 1052: 1050: 1038: 1032: 1031: 1029: 993: 987: 981: 975: 969: 963: 962: 955: 949: 946: 937: 936: 934: 933: 921: 915: 909: 908: 882: 850: 844: 843: 841: 839: 824: 818: 817: 807: 797: 763: 757: 756: 754: 752: 735: 729: 728: 688: 682: 681: 633: 627: 626: 624: 623: 611: 452:subduction zones 434: 433: 432: 429: 218:Mount St. Helens 196:shield volcanoes 150:shield volcanoes 82:sounding by the 3402: 3401: 3397: 3396: 3395: 3393: 3392: 3391: 3377: 3376: 3375: 3370: 3342: 3287: 3266: 3243: 3237: 3191: 3155: 3130: 3101:Cassini–Huygens 3003:Mariner program 2833: 2805: 2757: 2720: 2684: 2501: 2457: 2448: 2424: 2415: 2231: 2229: 2217: 2203:Aphrodite Terra 2189: 2151: 2108: 2095: 2090: 2060: 2059: 2024: 2020: 1974: 1967: 1924: 1920: 1910: 1908: 1900: 1899: 1895: 1858: 1851: 1843: 1841: 1839: 1823: 1812: 1769: 1762: 1709: 1702: 1658: 1651: 1641: 1639: 1634: 1633: 1629: 1610: 1606: 1589: 1585: 1548:(5978): 605–8, 1525: 1521: 1470: 1463: 1412: 1408: 1345: 1334: 1263: 1259: 1187: 1183: 1175: 1171: 1156: 1149: 1088: 1081: 1071: 1069: 1062: 1058: 1048: 1046: 1039: 1035: 994: 990: 982: 978: 970: 966: 957: 956: 952: 947: 940: 931: 929: 922: 918: 912: 851: 847: 837: 835: 825: 821: 780:(1): eaax7445. 764: 760: 750: 748: 736: 732: 689: 685: 634: 630: 621: 619: 612: 608: 603: 590:Volcanism on Io 586: 577: 568: 559: 554: 534: 519: 477:published that 468: 430: 427: 426: 424: 420: 416: 412: 403: 378: 356: 300:sulphur dioxide 288: 237:tectonic plates 230:subduction zone 200:stratovolcanoes 112: 49:than any other 41:The surface of 17: 12: 11: 5: 3400: 3390: 3389: 3372: 3371: 3369: 3368: 3358: 3347: 3344: 3343: 3341: 3340: 3335: 3330: 3325: 3320: 3315: 3310: 3305: 3299: 3297: 3293: 3292: 3289: 3288: 3286: 3285: 3280: 3274: 3272: 3268: 3267: 3265: 3264: 3259: 3253: 3247: 3245: 3239: 3238: 3236: 3235: 3230: 3225: 3220: 3215: 3210: 3205: 3199: 3197: 3193: 3192: 3190: 3189: 3184: 3179: 3174: 3169: 3163: 3161: 3157: 3156: 3154: 3153: 3146: 3138: 3136: 3132: 3131: 3129: 3128: 3123: 3116: 3109: 3104: 3097: 3090: 3083: 3082: 3081: 3076: 3066: 3065: 3064: 3058: 3047: 3046: 3045: 3035: 3034: 3033: 3026: 3019: 3012: 3000: 2999: 2998: 2993: 2988: 2983: 2978: 2973: 2968: 2963: 2958: 2953: 2948: 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2888: 2883: 2878: 2867: 2866: 2865: 2854: 2852: 2845: 2839: 2838: 2835: 2834: 2832: 2831: 2826: 2821: 2815: 2813: 2807: 2806: 2804: 2803: 2798: 2793: 2788: 2783: 2778: 2773: 2767: 2765: 2759: 2758: 2756: 2755: 2750: 2745: 2739: 2737: 2730: 2726: 2725: 2722: 2721: 2719: 2718: 2713: 2708: 2703: 2698: 2692: 2690: 2686: 2685: 2683: 2682: 2677: 2672: 2667: 2662: 2657: 2652: 2647: 2642: 2637: 2632: 2627: 2622: 2617: 2612: 2607: 2602: 2597: 2592: 2587: 2585:Goeppert-Mayer 2582: 2577: 2572: 2567: 2562: 2557: 2552: 2547: 2542: 2537: 2532: 2527: 2522: 2517: 2511: 2509: 2503: 2502: 2500: 2499: 2494: 2489: 2484: 2479: 2474: 2472:Artemis Chasma 2469: 2467:Aikhulu Chasma 2463: 2461: 2450: 2449: 2447: 2446: 2444:Sedna Planitia 2441: 2439:Lakshmi Planum 2436: 2430: 2428: 2417: 2416: 2414: 2413: 2408: 2403: 2398: 2393: 2388: 2383: 2381:Siddons Patera 2378: 2373: 2368: 2363: 2358: 2353: 2348: 2343: 2341:Pavlova Corona 2338: 2333: 2328: 2323: 2321:Maxwell Montes 2318: 2313: 2308: 2303: 2298: 2293: 2288: 2283: 2278: 2273: 2271:Ciuacoatl Mons 2268: 2263: 2258: 2256:Artemis Corona 2253: 2248: 2243: 2237: 2235: 2223: 2222: 2219: 2218: 2216: 2215: 2210: 2205: 2199: 2197: 2191: 2190: 2188: 2187: 2182: 2177: 2172: 2166: 2164: 2157: 2153: 2152: 2150: 2149: 2144: 2139: 2134: 2129: 2123: 2121: 2114: 2110: 2109: 2107: 2106: 2100: 2097: 2096: 2089: 2088: 2081: 2074: 2066: 2058: 2057: 2018: 1965: 1918: 1893: 1849: 1837: 1810: 1760: 1700: 1649: 1627: 1604: 1598:New York Times 1583: 1519: 1461: 1406: 1332: 1257: 1212:(7): 655–664. 1181: 1169: 1147: 1079: 1056: 1033: 988: 976: 964: 950: 938: 916: 910: 845: 819: 758: 730: 683: 628: 605: 604: 602: 599: 598: 597: 592: 585: 582: 576: 573: 567: 564: 558: 555: 553: 550: 546:wrinkle ridges 533: 530: 517: 467: 464: 436: 435: 422: 418: 414: 401: 377: 374: 355: 352: 287: 284: 253:magma chambers 222:Mount Pinatubo 111: 108: 72:carbon dioxide 15: 9: 6: 4: 3: 2: 3399: 3388: 3385: 3384: 3382: 3367: 3363: 3359: 3357: 3349: 3348: 3345: 3339: 3336: 3334: 3331: 3329: 3326: 3324: 3321: 3319: 3316: 3314: 3311: 3309: 3306: 3304: 3301: 3300: 3298: 3294: 3284: 3281: 3279: 3276: 3275: 3273: 3269: 3263: 3260: 3257: 3254: 3252: 3249: 3248: 3246: 3240: 3234: 3231: 3229: 3226: 3224: 3221: 3219: 3216: 3214: 3211: 3209: 3206: 3204: 3201: 3200: 3198: 3194: 3188: 3185: 3183: 3180: 3178: 3175: 3173: 3170: 3168: 3165: 3164: 3162: 3158: 3152: 3151: 3147: 3145: 3144: 3140: 3139: 3137: 3133: 3127: 3126:Venus Express 3124: 3122: 3121: 3117: 3115: 3114: 3110: 3108: 3105: 3103: 3102: 3098: 3096: 3095: 3091: 3089: 3088: 3084: 3080: 3077: 3075: 3072: 3071: 3070: 3067: 3062: 3059: 3056: 3053: 3052: 3051: 3050:Pioneer Venus 3048: 3044: 3041: 3040: 3039: 3036: 3032: 3031: 3027: 3025: 3024: 3020: 3018: 3017: 3013: 3011: 3010: 3006: 3005: 3004: 3001: 2997: 2994: 2992: 2989: 2987: 2984: 2982: 2979: 2977: 2974: 2972: 2969: 2967: 2964: 2962: 2959: 2957: 2954: 2952: 2949: 2947: 2944: 2942: 2939: 2937: 2934: 2932: 2929: 2927: 2924: 2922: 2919: 2917: 2914: 2912: 2909: 2907: 2904: 2902: 2899: 2897: 2894: 2892: 2889: 2887: 2884: 2882: 2879: 2877: 2874: 2873: 2871: 2868: 2864: 2861: 2860: 2859: 2856: 2855: 2853: 2849: 2846: 2844: 2840: 2830: 2827: 2825: 2824:Venus trojans 2822: 2820: 2817: 2816: 2814: 2812: 2808: 2802: 2799: 2797: 2794: 2792: 2789: 2787: 2784: 2782: 2779: 2777: 2774: 2772: 2769: 2768: 2766: 2764: 2760: 2754: 2751: 2749: 2746: 2744: 2741: 2740: 2738: 2734: 2731: 2727: 2717: 2714: 2712: 2709: 2707: 2704: 2702: 2699: 2697: 2694: 2693: 2691: 2687: 2681: 2678: 2676: 2673: 2671: 2668: 2666: 2663: 2661: 2658: 2656: 2653: 2651: 2648: 2646: 2643: 2641: 2638: 2636: 2633: 2631: 2628: 2626: 2623: 2621: 2620:Maria Celeste 2618: 2616: 2613: 2611: 2608: 2606: 2603: 2601: 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2576: 2573: 2571: 2568: 2566: 2563: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2531: 2528: 2526: 2523: 2521: 2518: 2516: 2513: 2512: 2510: 2508: 2504: 2498: 2495: 2493: 2490: 2488: 2487:Devana Chasma 2485: 2483: 2480: 2478: 2477:Baltis Vallis 2475: 2473: 2470: 2468: 2465: 2464: 2462: 2460: 2455: 2451: 2445: 2442: 2440: 2437: 2435: 2432: 2431: 2429: 2427: 2422: 2418: 2412: 2409: 2407: 2404: 2402: 2399: 2397: 2394: 2392: 2389: 2387: 2384: 2382: 2379: 2377: 2374: 2372: 2369: 2367: 2364: 2362: 2359: 2357: 2354: 2352: 2349: 2347: 2344: 2342: 2339: 2337: 2334: 2332: 2331:Onatah Corona 2329: 2327: 2324: 2322: 2319: 2317: 2314: 2312: 2311:Jaszai Patera 2309: 2307: 2304: 2302: 2299: 2297: 2294: 2292: 2291:Heng-o Corona 2289: 2287: 2284: 2282: 2279: 2277: 2274: 2272: 2269: 2267: 2264: 2262: 2261:Baʽhet Corona 2259: 2257: 2254: 2252: 2249: 2247: 2244: 2242: 2239: 2238: 2236: 2234: 2228: 2224: 2214: 2211: 2209: 2206: 2204: 2201: 2200: 2198: 2196: 2192: 2186: 2183: 2181: 2178: 2176: 2175:Asteria Regio 2173: 2171: 2168: 2167: 2165: 2161: 2158: 2154: 2148: 2145: 2143: 2140: 2138: 2135: 2133: 2130: 2128: 2125: 2124: 2122: 2118: 2115: 2111: 2105: 2102: 2101: 2098: 2094: 2087: 2082: 2080: 2075: 2073: 2068: 2067: 2064: 2053: 2049: 2045: 2041: 2037: 2033: 2029: 2022: 2014: 2010: 2006: 2002: 1998: 1994: 1990: 1986: 1982: 1978: 1972: 1970: 1962: 1957: 1953: 1949: 1945: 1941: 1937: 1933: 1929: 1922: 1907: 1903: 1897: 1888: 1883: 1879: 1875: 1871: 1867: 1863: 1856: 1854: 1840: 1834: 1830: 1829: 1821: 1819: 1817: 1815: 1806: 1802: 1798: 1794: 1790: 1786: 1783:(E8): 13067. 1782: 1778: 1774: 1767: 1765: 1756: 1752: 1747: 1746:10044/1/44367 1742: 1738: 1734: 1730: 1726: 1722: 1718: 1714: 1707: 1705: 1696: 1692: 1687: 1682: 1678: 1674: 1670: 1666: 1662: 1656: 1654: 1637: 1631: 1625: 1621: 1617: 1613: 1608: 1600: 1599: 1594: 1587: 1579: 1575: 1571: 1567: 1563: 1559: 1555: 1551: 1547: 1543: 1542: 1537: 1533: 1529: 1523: 1515: 1511: 1506: 1505:10044/1/38966 1501: 1496: 1491: 1487: 1483: 1479: 1475: 1468: 1466: 1457: 1453: 1449: 1445: 1441: 1437: 1433: 1429: 1425: 1421: 1417: 1410: 1402: 1398: 1393: 1388: 1384: 1380: 1375: 1370: 1366: 1362: 1358: 1354: 1350: 1343: 1341: 1339: 1337: 1328: 1324: 1319: 1314: 1310: 1306: 1302: 1298: 1294: 1290: 1285: 1280: 1276: 1272: 1268: 1261: 1253: 1249: 1245: 1241: 1237: 1233: 1229: 1225: 1220: 1215: 1211: 1207: 1203: 1199: 1195: 1191: 1185: 1178: 1173: 1167: 1163: 1159: 1154: 1152: 1143: 1139: 1135: 1131: 1127: 1123: 1118: 1113: 1109: 1105: 1101: 1097: 1093: 1086: 1084: 1067: 1060: 1044: 1037: 1028: 1023: 1019: 1015: 1011: 1007: 1003: 999: 992: 985: 980: 973: 968: 960: 954: 945: 943: 927: 920: 914: 906: 902: 898: 894: 890: 886: 881: 876: 872: 868: 864: 860: 856: 849: 834: 830: 823: 815: 811: 806: 801: 796: 791: 787: 783: 779: 775: 774: 769: 762: 747: 746: 741: 734: 726: 722: 718: 714: 710: 706: 703:(E8): 13257. 702: 698: 694: 687: 679: 675: 671: 667: 663: 659: 655: 651: 647: 643: 639: 632: 617: 610: 606: 596: 593: 591: 588: 587: 581: 575:Kunapipi Mons 572: 563: 549: 547: 542: 538: 529: 526: 522: 515: 511: 508: 504: 500: 497: 496: 491: 487: 482: 481: 480:Venus Express 476: 473: 463: 459: 457: 456:fractionation 453: 449: 445: 441: 411: 410: 409: 407: 399: 395: 391: 387: 383: 373: 371: 370: 365: 363: 351: 347: 344: 340: 337:supported by 336: 331: 329: 325: 321: 317: 313: 309: 305: 301: 297: 293: 283: 279: 277: 273: 269: 265: 260: 258: 254: 250: 246: 242: 238: 233: 231: 227: 226:oceanic crust 223: 219: 215: 214: 209: 205: 201: 197: 192: 190: 186: 182: 177: 175: 171: 167: 163: 159: 158:pancake domes 155: 152:, widespread 151: 143: 139: 133: 128: 121: 120:pancake domes 116: 107: 104: 99: 95: 91: 87: 86: 81: 75: 73: 68: 64: 60: 56: 52: 48: 44: 36: 32: 31: 26: 21: 3262:Terraforming 3251:Colonization 3233:Shukrayaan-1 3148: 3141: 3118: 3111: 3099: 3092: 3085: 3069:Vega program 3038:Zond program 3028: 3021: 3014: 3007: 2901:Venera 1964A 2497:Ganis Chasma 2492:Diana Chasma 2366:Sachs Patera 2351:Pancake dome 2281:Fotla Corona 2266:Boala Corona 2232: 2208:Ishtar Terra 2035: 2031: 2021: 1991:(1): 75–95. 1988: 1984: 1959: 1931: 1927: 1921: 1909:. 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Retrieved 609: 578: 569: 560: 543: 539: 535: 523: 512: 505: 501: 494: 478: 474: 469: 460: 437: 379: 368: 361: 357: 348: 332: 308:Ganis Chasma 289: 280: 263: 261: 234: 211: 193: 188: 184: 178: 169: 147: 102: 83: 76: 55:Solar System 40: 28: 3150:BepiColombo 2843:Exploration 2696:Geodynamics 2680:Yablochkina 2482:Dali Chasma 2406:Zisa Corona 2356:Renpet Mons 2306:Irnini Mons 2296:Iaso Tholus 2246:Akna Montes 2241:Abeona Mons 2170:Alpha Regio 2137:Dune fields 1723:: 365–376. 488:(VOX), and 466:Exploration 448:Yellowstone 249:lithosphere 132:Alpha Regio 3338:Phosphorus 3313:In fiction 3308:In culture 3030:Mariner 10 2956:Kosmos 482 2931:Kosmos 167 2891:Sputnik 21 2886:Sputnik 20 2881:Sputnik 19 2716:Venusquake 2711:Venus snow 2640:Merit Ptah 2575:De Lalande 2401:Ushas Mons 2396:Theia Mons 2391:Skadi Mons 2371:Sapas Mons 2301:Idunn Mons 2251:Anala Mons 2213:Lada Terra 2185:Ovda Regio 2180:Beta Regio 2132:Atmosphere 1844:2022-05-14 1642:3 December 1284:2009.12758 1219:2009.06593 932:2011-07-25 751:10 January 622:2007-09-13 601:References 328:Idunn Mons 324:Sapas Mons 312:Sapas Mons 304:outgassing 276:arachnoids 166:lava domes 154:lava flows 148:Venus has 3328:Mythology 3303:Cytherean 3113:MESSENGER 3023:Mariner 5 3016:Mariner 2 3009:Mariner 1 2996:Venera 16 2991:Venera 15 2986:Venera 14 2981:Venera 13 2976:Venera 12 2971:Venera 11 2966:Venera 10 2921:Kosmos 96 2906:Kosmos 27 2896:Kosmos 21 2863:Sputnik 7 2811:Asteroids 2729:Astronomy 2645:Mona Lisa 2590:Golubkina 2580:Dickinson 2560:Cleopatra 2336:Ozza Mons 2316:Maat Mons 2286:Gula Mons 2276:Fand Mons 2233:volcanoes 2227:Mountains 2127:Arachnoid 2113:Geography 2013:0019-1035 1956:257745255 1805:0148-0227 1755:1569-8432 1695:133252459 1578:206525323 1514:0032-0633 1383:0027-8424 1309:1944-8007 1252:256704669 1244:2397-3366 1142:257571905 1126:0036-8075 905:257571905 889:0036-8075 725:0148-0227 678:257745255 670:2169-9097 566:Gula Mons 470:In 2010, 413:2 P + 3 H 406:phosphide 398:Phosphine 380:In 2020, 354:Lightning 320:Ozza Mons 316:Maat Mons 245:Mauna Kea 213:hot spots 142:Arachnoid 94:Maat Mons 67:volcanism 47:volcanoes 25:Maat Mons 3381:Category 3356:Category 3318:Hesperus 3242:Proposed 3196:Proposed 3182:Venera-D 3172:EnVision 3143:Akatsuki 3087:Magellan 2961:Venera 9 2951:Venera 8 2946:Venera 7 2941:Venera 6 2936:Venera 5 2926:Venera 4 2916:Venera 3 2911:Venera 2 2876:Venera 1 2872:program 2763:Transits 2675:Wheatley 2665:Stefania 2610:Isabella 2605:Guilbert 2570:Danilova 2426:plateaus 2386:Sif Mons 2142:Features 1911:16 April 1570:20378775 1456:12832924 1448:17830154 1401:34253608 1327:34219837 1134:36921020 1072:1 August 1049:1 August 897:36921020 838:19 March 814:31922004 584:See also 557:Sif Mons 552:Examples 507:EnVision 495:Akatsuki 444:Krakatau 369:Akatsuki 241:seawater 206:, eject 170:tesserae 103:Magellan 85:Magellan 30:Magellan 3296:Related 3258:(flyby) 3177:VERITAS 3167:DAVINCI 3160:Planned 3135:Current 3120:Shin'en 3094:Galileo 2743:Aspects 2736:General 2701:Geology 2650:Nanichi 2635:Meitner 2600:Gregory 2540:Aurelia 2535:Ariadne 2507:Craters 2459:valleys 2454:Canyons 2156:Regions 2120:General 2040:Bibcode 1993:Bibcode 1936:Bibcode 1874:Bibcode 1785:Bibcode 1725:Bibcode 1673:Bibcode 1550:Bibcode 1541:Science 1482:Bibcode 1428:Bibcode 1420:Science 1392:8307446 1361:Bibcode 1318:8244101 1289:Bibcode 1224:Bibcode 1104:Bibcode 1096:Science 1068:. 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Index


Maat Mons
Magellan
lava
Venus
volcanoes
planet
Solar System
basalt
lava
volcanism
carbon dioxide
Radar
Magellan
Venus
Maat Mons
ash

pancake domes

Alpha Regio

Arachnoid
shield volcanoes
lava flows
pancake domes
Earth
lava domes
silica
scalloped margin domes

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