Ascraeus Mons is a large shield volcano located in the Tharsis region of the planet Mars. It is the northernmost and tallest of three shield volcanoes collectively known as the Tharsis Montes.
THEMIS IR daytime mosaic of fan-shaped deposit at western edge of Ascraeus Mons. The deposits are believed to be glacial moraines formed by mountain glaciers.
Mars Global Surveyor Mars Orbiter Camera (MOC) image of lava channel on the northeastern summit of Ascraeus Mons.
HiRISE image of channelized lava flow with levees on Northern flank of Ascraeus Mons.
HiRISE image of dark rimless pits northwest of Ascraeus Mons.
Arsia Mons is the southernmost of three volcanoes on the Tharsis bulge near the equator of the planet Mars. To its north is Pavonis Mons, and north of that is Ascraeus Mons. The tallest volcano in the
Ascraeus Mons
…by the HiRISE camera on the Mars Reconnaissance Orbiter (MRO) in November 2010 (pictured in gallery below). The pits resemble those imaged around Arsia Mons by the Mars Odyssey spacecraft. The two pits measure about 180 and 310 m wide, and the larger pit is approximately 180 meters deep. The eastern walls…
THEMIS image of cave entrances on Mars. The pits have been named (A) Dena, (B) Chloe, (C) Wendy, (D) Annie, (E) Abby (left) and Nikki, and (F) Jeanne.
THEMIS image mosaic of Arsia Mons
Arsia Mons, as seen by THEMIS. Click on image to see relationship of Arsia Mons to other nearby volcanoes.
Arsia Mons and its surroundings in a THEMIS daytime infrared image mosaic. A huge fan-shaped expanse of knobby deposits (the Arsia Sulci), believed left by past glaciation, extends northwestward from the mountain.