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 (/ É Ë l Éª m p É s Ë m É n z, oÊ-/; 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, NASAâs Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions â¦ Some may be collapsed lava tubes. Olympus Mons is 2.4 times taller than Earthâs 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.Itâs 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. , The caldera complex consists of a central caldera surrounded by four coalesced calderas. The volcano's name officially became Ascraeus Mons in 1973.. Mars changes its obliquity from about 15° to 35° in cycles of 120,000 years.. 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, 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, NASAâs Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions â¦ 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). Donât 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, though extensive study of analogous environments (e.g. The origin of these deposits has been debated for decades. 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