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Today's VIS image shows part of the northwestern upper flank of Ascraeus Mons. Lava flows and collapse features cover the flank of the volcano. Ascraeus Mons is the northernmost of the three large Tharsis volcanoes and is the tallest at 18km (11 miles) high. For comparison Mauna Kea – the tallest volcano on Earth – is 10 km tall (6.2 miles, measured from the base below sea level).

Orbit Number: 88002 Latitude: 12.7202 Longitude: 254.248 Instrument: VIS Captured: 2021-10-16 09:24

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Science Mission Directorate, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.