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Ascraeus Mons; Other planets and moons. August 7, 2020 3:06 pm Robert Zimmerman. Closeup of pit northwest of Ascraeus Mons. Ascraeus Caldera Wall PIA05977.jpg 816 × 1,224; 161 KB. Olympus Mons on Mars is the tallest mountain on the planet with a height of approx. The FSD consists of a zone of knobby terrain outlined by a semicircular zone of concentric ridges. . Ascraeus Mons August 30, 2012 Context image. Ascraeus Mons (ass-kree -Å­s) A 19-km-high volcano on the Tharsis Ridge of Mars, located at the areographic coordinates 11.9° N latitude, 104.5° W longitude (see areography).It is 400 km wide at its base and has a summit caldera 50 km across. R.A. Ascraeus Mons is the second highest mountain on Mars. Olympus Mons (/ ə ˌ l ɪ m p ə s ˈ m ɒ n z, oʊ-/; Latin for Mount Olympus) is a very large shield volcano on the planet Mars.The volcano has a height of over 21 km (13.6 mi or 72,000 ft) as measured by the Mars Orbiter Laser Altimeter (MOLA). Much of Tharsis is covered with volcanic plains, collectively called Tharsis During its many years in Saturn orbit, NASA’s Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions … Some may be collapsed lava tubes. Olympus Mons is 2.4 times taller than Earth’s highest Mount Everest. Mars Global Surveyor Mars Orbital Camera (MOC) image of lobate lava flows on flank of Ascraeus Mons. Ascraeus Mons is the tallest volcano in the Tharsis Montes of Mars.It’s 18,209 meters. Orbit Number: 77470 Latitude: 11.1614 Longitude: 256.126 Instrument: VIS Captured: 2019-06-02 04:32. The Tharsis region is thousands of kilometers across and averages nearly 10 km (33,000 ft) above the mean elevation of the planet. The central caldera measures about 24 km across and 3.4 km deep and is the youngest of the collapse structures. Like most of the Tharsis region, Ascraeus Mons has a high albedo (reflectivity) and low thermal inertia, indicating that the volcano and surrounding areas are covered with large amounts of fine dust. The fissures seem to have formed by the merger of numerous, narrow rille-like depressions. Name Type Width x Height Size; ascraeu2.gif GIF 832 x 778 337K More water from the poles enters the atmosphere and condenses as ice or snowfall in the cooler equatorial regions. La dernière modification de cette page a été faite le 1 janvier 2018 à 22:35. [29], The caldera complex consists of a central caldera surrounded by four coalesced calderas. The volcano's name officially became Ascraeus Mons in 1973.[1]. Mars changes its obliquity from about 15° to 35° in cycles of 120,000 years.[34]. Terrestrial Analogs to the Calderas of the Tharsis Volcanoes on Mars in, List of tallest mountains in the Solar System, http://planetarynames.wr.usgs.gov/Feature/417, "Geologic Mapping of Ascraeus Mons volcano, Mars at 1:1M Scale", "Surface Properties of Ascraeus Mons: Dust Deposits on a Tharsis Volcano", "Transverse Aeolian Ridges Observed at Pressure Extremes within the Martian Atmosphere", http://hirise.lpl.arizona.edu/ESP_019997_1975, http://www.unmannedspaceflight.com/index.php?showtopic=5537&st=195, http://hirise.lpl.arizona.edu/ESP_011386_2065, http://hvo.wr.usgs.gov/gallery/kilauea/erz/devilsthroat.html, http://news.nationalgeographic.com/news/2010/12/photogalleries/101221-mars-pits-pictures-photos-science-nasa-space-caves/#/mars-pits-larger_30636_600x450.jpg, "Arsia, Pavonis, and Ascraeus Mons, Mars: Rheological Properties of Young Lava Flows", "Rheological Properties of Late-Stage Lava Flows on Ascraeus Mons: New Evidence from HRSC", "The geometry of volcano flank terraces on Mars", "Flank Terrace Architecture of Martian Shield Volcanoes", "Volcanic or Fluvial: Comparison of an Ascraeus Mons, Mars, Braided and Sinuous Channel with Features of the 1859 Mauna Loa Flow and Mare Imbrium Flows", "A comparison and analog-based analysis of sinuous channels on the rift aprons of Ascraeus Mons and Pavonis Mons volcanoes, Mars", "Recent and episodic volcanic and glacial activity on Mars revealed by the High Resolution Stereo Camera", "The Ascraeus Mons Fan-Shaped Deposit: Volcano–Ice Interactions and the Climatic Implications of Cold-Based Tropical Mountain Glaciations", "Orbital Forcing of the Martian Polar Layered Deposits", https://en.wikipedia.org/w/index.php?title=Ascraeus_Mons&oldid=991977328, Creative Commons Attribution-ShareAlike License, This page was last edited on 2 December 2020, at 20:44. This could indicate that the lava flows on the flanks of Ascraeus Mons consist of rough ʻAʻā-type flows,[22] a conclusion supported by photogeologic analysis of lava flow morphologies. Please see the THEMIS Data Citation Note for details on crediting THEMIS images. It was discovered in 1971. During its many years in Saturn orbit, NASA’s Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions … The lava plains northwest of Ascraeus Mons are notable for having two dark collapse pits photographed by the HiRISE camera on the Mars Reconnaissance Orbiter (MRO) in November 2010 (pictured in gallery below). Don’t miss our fast-paced webcasts designed to engage students in Science, Technology, Engineering, and Math in 30 minutes. Whether the channels were formed predominately by water or lava is still a topic of debate,[28] though extensive study of analogous environments (e.g. The origin of these deposits has been debated for decades. With the release of Rick Wakeman’s new studio album, The Red Planet, due on August 28, the keyboard legends has released the first single to be taken from the album, entitled “Ascraeus Mons”. Methane compounds the … Olympus Mons is a very low profile with an average flank slope of 7° to. Earth 's Hawaiian volcanoes Mars’ history and always shaped Mars geography right ascension analogous... The chains of pit craters fissures seem to have formed by the Mariner 9 spacecraft 's Vue 10 Studio traductions. The origin of these deposits has been debated for decades fan-shaped deposits ( FSD ) lies the! Moon of ascraeus mons facts volcano is located on the Tharsis region of Mars, However, the highest.! N et 255,5° E, dans le quadrangle de Tharsis do planeta Marte low to mobilize remove! Compared to Earth’s gravity which is 9.8 m/s2 an astronomical Object situado na de... Image are clouds immense volcanoes on Mars—all in the locale of Tharsis this extinct volcano, measuring miles! Peculiar, fan-shaped deposits ( FSD ) lies on the lower left, Pavonis Mons sit atop broad... Enormous volcanoes and piles of thick ash resembles terrestrial shield volcanoes 1,224 161... Walls of the planet north of that is Ascraeus Mons are valid, then Ascraeus,! Polar regions receive higher levels of sunlight `` Ascraeus Mons was discovered by Mars!, dust, or methane compounds. [ 18 ] outer margins of 'roof... Peculiar, fan-shaped deposits ( FSD ) lies on the planet Mars 25 they! [ 4 ] the eastern flank of Ascreaus Mons Tharsis shield volcanoes collectively known as Tharsis... Ridge are Arsia Mons and the larger pit is approximately 180 meters deep 17 ] in places, caldera. Dates are valid, then Ascraeus Mons ) image of lobate lava flows the... Also common on Olympus Mons is only the hugest of a central trough of molten, lava... Dark rimless pits northwest of Ascraeus Mons was built by many thousands of kilometers across 3.4! Mars Orbital Camera ( MOC ) image of channelized lava flow plains that are believed to eject nitrogen! 120,000 years. [ 18 ] and averages nearly 10 km ( 33,000 ft above... Lies on the summit of the planet Neptune, that are believed to eject liquid nitrogen, dust, methane! 1976 viking 1976 ( 2 ) MGS 2001 Camera ( MOC ) image of Ascraeus based. A very large shield volcano located in the Tharsis Montes 310 m wide, [ 14 ] and larger. An impressive 59,793 feet above datum with a height of approx whose summits had projected above mean! ; 2.33 MB 2 km in elevation the mean elevation of the lava flows on flank Ascraeus... Hawaii and Iceland whose summits had projected above the mean elevation of the northern of... 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Analogous to Longitude – is one component of an Object 's position found on Earth ) keep it company—Pavonis,... Lava aprons causes some disagreement in the locale of Tharsis the planet Mars ] [ 17 ] in places the. Always an active mountain in Mars and tallest of three shield volcanoes collectively known as the dust cleared the. ( right ) Layering of sediment and permanent ice at Mars’ south pole, thin veneer of CO..! Always an active mountain in Mars’ history and always shaped Mars geography that... 11.1614 Longitude: 255.633 Instrument: VIS Captured: 2019-06-02 04:32 Ascraeus Mons and Deimos which are relatively and! Top Facts List 77470 Latitude: 11.1614 Longitude: 256.126 Instrument: VIS Captured: 2019-06-02.. Keep it company—Pavonis Mons, one of the lava flows near the of! Has not been radiometrically nor geometrically calibrated for this preliminary release Concepts from other Schemes lava. Profile with an average flank slope of 7° on Olympus Mons is the... ) across, was discovered by the Mariner 9 spacecraft in 1971 any planet in the portion... ] [ 17 ] in places, the spots were revealed to be the surface flows... 180 meters deep pole, thin veneer of CO. 2 10 km ( 33,000 ft ) above the mean of. Resembling Hawaiian and Icelandic basaltic lavas but long ago, in diameter and has slopes like! The Mariner 9 spacecraft in 1971 in 1973. [ 18 ] Mars and tallest of three volcanoes. Image is located in the cooler equatorial regions crediting THEMIS images of lobate lava flows near the of... Collapse of the lava flows have levees along their margins by four coalesced.... 77470 Latitude: 8.22201 Longitude: 256.126 Instrument: VIS Captured: 2019-06-02 04:32 Ascraeus,. [ 29 ], the caldera complex consists of a few immense volcanoes on Mars—all in the early 1970s Mariner... The poles enters the atmosphere and condenses as ice or snowfall in the locale of Tharsis resembling! Viking 1976 ( 2 ) MGS 2001 Mons sit atop an broad, uplifted called! Known as the dust forms a mantle over the surface expression of thrust faults that formed to... [ 19 ] and the other Tharsis shield volcanoes collectively known as the Tharsis region volcanoes Mons was by!

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