The central caldera measures about 24 km across and 3.4 km deep and is the youngest of the collapse structures. During its many years in Saturn orbit, NASAâs Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions ⦠Ascraeus Mons is a massive shield volcano located in the Tharsis region of the planet Mars and was discovered by the Mariner 9 spacecraft in 1971.It is the northernmost and tallest of three shield volcanoes collectively known as the Tharsis Montes. Mars Image: Ascraeus Mons. To its north is Pavonis Mons, and north of that is Ascraeus Mons. Closeup of pit northwest of Ascraeus Mons. University of Arizona. [6], Volcanic vents, located on the northeastern and southwestern edges of the volcano, are sources for broad lava aprons, or fans, that bury nearby portions of the volcano and extend over 100 km out into the surrounding plains. Olympus Mons is a shield volcano with very broad gradual slopes created by lava flows. (2007). Name Type Width x Height Size; ascraeu2.gif GIF 832 x 778 337K Contrast has been stretched to reveal interior features. Unmanned Spaceflight Website. This extinct volcano, measuring 250 miles (402 km) across, was discovered in the early 1970s by Mariner 9 spacecraft. The Tharsis region is thousands of kilometers across and averages nearly 10 km (33,000 ft) above the mean elevation of the planet. Ascraeus Lava Channel Levvee ESP 018665 1920 RED.jpg 2,048 × 4,103; 2.33 MB. It ⦠Similar deposits are also found at the northwestern edges of the other two Tharsis Montes, Pavonis Mons and Arsia Mons, as well as on Olympus Mons. Ascraeus Mons Caldera Wall (PSP ⦠[26], Fissures, or flank vents, at the southwestern and northeastern edges of the volcano are the sources of the lava aprons that spread out across the surrounding plains. Image information: VIS instrument. Except for its great size, it resembles terrestrial shield volcanoes like those that form the Hawaiian Islands. Position: Right ascension â analogous to longitude â is one component of an object's position. dâAscraeus Lacus, nom donné en 1930 par lâastronome grec Eugène Antoniadi à la formation d'albédo située au même endroit, du latin classique mons « montagne », Ce nom a été approuvé comme nom officiel par lâUnion astronomique internationale en 1973. Many on Io, a moon of the planet Jupiter, that are believed to eject sulfur or possibly sulfur dioxide. In that particular region of Mars, however, Olympus Mons is hardly alone. HiRISE Werbsite. This image from NASA 2001 Mars Odyssey spacecraft shows the complex collapse features on the southern flank of Ascraeus Mons. The central caldera is ⦠These rates are comparable to those seen in Hawaii and Iceland. [32], An area of peculiar, fan-shaped deposits (FSD) lies on the volcano's western flank. Olympus Mons is 2.4 times taller than Earthâs highest Mount Everest. The linear and circular features in today's VIS image are all volcanic and are located at the base of the southern flank of Ascraeus Mons. The plains northwest of the volcano are less than 2 km in elevation. Ascraeus Mons je Å¡títová sopka na Marsu.Nalézá se na souÅadnicích 11,2 ° severní Å¡íÅky a 104,5 ° západní délky, což jí pÅisuzuje nejsevernÄjÅ¡í postavení ze skupiny sopek v oblasti Tharsis.Nad okolní krajinu se zvedá do výÅ¡ky témÄÅ 18 km a Å¡íÅka její základny pÅesahuje 400 km. Some may be collapsed lava tubes. The bottoms of both pits contain sediments and large boulders. 85 km 6 km . See Mars, volcanoes. . [20][21] Earth-based radar studies show that Ascraeus Mons has a higher radar echo strength than other volcanic structures on the planet. d. Arsia Mons. Its three smaller neighbours, the Tharsis Montes - Ascraeus Mons, Pavonis Mons & Arsia Mons - each rise ~15km and are arrayed in a line known as the Tharsis Ridge. Mars today has no active volcanoes. Ascraeus Mons. 4 May 2015 Its the biggest by area â almost half as big again as Africa in second place â and also by population. [15] The eastern walls of the pits consist of steep, overhanging ledges. At Martian south pole, thin veneer of CO. 2. NASA's Mars Global Surveyor topographic map data rendered in e-on software's Vue 10 Studio. Ascraeus Mons is the tallest volcano in the Tharsis Montes of Mars.Itâs 18,209 meters. Olympus Mons est le plus gros volcan en haut à gauche de l'image et les trois Tharsis Montes sont alignés sur la droite de l'image, avec du sud-ouest ou nord-est : Arsia Mons, Pavonis Mons, et Ascraeus Mons. The Tharsis region is thousands of kilometers across and averages nearly 10 km (33,000 ft) above the mean elevation of the planet. Flank terraces are also common on Olympus Mons and the other Tharsis shield volcanoes. [13] However, the elevation of the plains varies considerably. Olympus Mons is 2.4 times taller than Earthâs highest Mount Everest. Tharsis, extensive volcanic province on Mars that contains three of the planetâs most massive volcanoes. Both moons were discovered in 1877 and were named after brothers from Greek mythology. Please see the THEMIS Data Citation Note for details on crediting THEMIS images. They are analogous to volcanic pit craters on Earth, such as the Devil's Throat crater on the upper east rift zone of Kilauea Volcano, Hawaii. Ascraeus Mons est le plus septentrional des trois grands volcans formant l'alignement de Tharsis Montes — les deux autres sont Pavonis Mons au centre et Arsia Mons au sud ; le groupe d'Uranius prolonge cet alignement au nord. Ascraeus Mons is surrounded by lava flow plains that are mid to late Amazonian in age. Mouginis-Mark, P.J. However, recent geologic evidence suggests that FSDs are deposits left by glaciers, which covered portions of the volcanoes during a recent period of high obliquity. Ascraeus Mons é o vulcão mais setentrional de um grupo de três conhecido como Tharsis Montes na região montanhosa de Tharsis próxima oa equador do planeta Marte.Ao seu sul fica o Pavonis Mons, e ao sul deste o Arsia Mons.O maior vulcão do sistema solar, o Olympus Mons, fica a noroeste.. O Ascraeus Mons é considerado um dos vulcões mais altos de Marte. Cherchez des exemples de traductions Ascraeus Mons dans des phrases, écoutez à la prononciation et apprenez la grammaire. It is the northernmost and tallest of three shield volcanoes collectively known as the Tharsis Montes. Ascraeus Mons Volcano (Mars) Broader Terms. Three other massive volcanoes (all larger than any found on Earth) keep it companyâPavonis Mons, Arsia Mons and Ascraeus Mons. [12] The elevation of the plains averages about 3 km above datum (Martian "sea" level), giving the volcano an average vertical relief of 15 km. Ascraeus Mons Label from public data source Wikidata; Mars (Planet)Ascraeus Mons; Sources. [29], The caldera complex consists of a central caldera surrounded by four coalesced calderas. ; Rowland, S.K. Valles Marineris . [30] Crater counting indicates that the central caldera is about 100 million years (Myr) old. Top 55 Incredible Facts About Space Top Facts List. Consultez la traduction latin-allemand de Ascraeus dans le dictionnaire PONS qui inclut un entraîneur de vocabulaire, les tableaux de conjugaison et les prononciations. During its many years in Saturn orbit, NASAâs Cassini spacecraft discovered previously unknown moons, solved mysteries about known ones, studied their interactions ⦠With the release of Rick Wakemanâs 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 âAscraeus Monsâ. Arsia Mons / ËÉËrsiÉ ËmÉnz / is the southernmost of three volcanoes (collectively known as Tharsis Montes) on the Tharsis bulge near the equator of the planet Mars. August 7, 2020 3:06 pm Robert Zimmerman. Many on Triton, a moon of the planet Neptune, that are believed to eject liquid nitrogen, dust, or methane compounds. The source of the compressive stresses is still debated. Arsia Mons. Ascraeus Mons est un volcan bouclier situé sur la planète Mars par 11,8° N et 255,5° E, dans le quadrangle de Tharsis. 2). It is the northernmost and tallest of three shield volcanoes collectively known as the Tharsis Montes. Olympus mons mars. Many of the lava flows have levees along their margins. It is marked by four volcanoes which make up the region (Ascraeus Mons, Pavonis Mons, Arsia Mons, and Olympus Mons), with this image showing the close relationship between the bulk of the Tharsis Montes region and the Vallis Marineris. [16][17] In some cases, they may mark skylights/entrances to subsurface lava caves.[18]. [27] In places, the depressions form sinuous channels with islands and other features suggestive of erosion by a fluid. Dernière modification le 1 janvier 2018, à 22:35, USGS Gazetteer of Planetary Nomenclature – Feature Information, https://fr.wikipedia.org/w/index.php?title=Ascraeus_Mons&oldid=144070378, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Les deux autres volcans formant l'alignement de Tharsis Montes, quasiment contemporains, se seraient formés quelques dizaines de millions d'années plus tard, ce qui illustre le fait que les volcans du renflement de Tharsis semblent d'autant plus anciens qu'ils sont situés au nord-est de cette région. Olympus Mons is just the hugest of several huge volcanoes on Marsâall in the region of Tharsis. It was discovered in 1971. In fictional literature. Orbit Number: 77470 Latitude: 11.1614 Longitude: 256.126 Instrument: VIS Captured: 2019-06-02 04:32. Please see the THEMIS Data Citation Note for details on crediting THEMIS images. Large de 460 km, il culmine à 14 km en moyenne au-dessus du renflement de Tharsis et à 18 225 m d'altitude au-dessus du niveau de référence martien, ce qui en fait le deuxième sommet de Mars. The fissures seem to have formed by the merger of numerous, narrow rille-like depressions. Much of Tharsis is covered with volcanic plains, collectively called Tharsis The Tharsis region of Mars, including the three volcanoes of Tharsis Montes (Arsia, Pavonis and Ascraeus Mons), as well as Olympic Mons in the upper left corner. Ascraeus Mons is a large shield volcano located in the Tharsis region of the planet Mars. Donât miss our fast-paced webcasts designed to engage students in Science, Technology, Engineering, and Math in 30 minutes. The largest, Olympus Mons, towers to a height of 21.3km - nearly 2.5x height of Mt Everest, with a base of 550km diameter. Volcan de la planète Mars. 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. Hawaii, the Moon, elsewhere on Mars) and morphologic features by multiple researchers has led to the conclusion that a volcanic origin is most probable. 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