This image from NASA's Mars Odyssey shows part of the eastern flank of Ascraeus Mons, one of the large Tharsis Volcanoes. The circular pits all aligned in a row mark the collapse of the roof of a lava tube.

Context image for PIA14089
Context image

This VIS image shows part of the eastern flank of Ascraeus Mons, one of the large Tharsis Volcanoes. The circular pits all aligned in a row mark the collapse of the roof of a lava tube.

Orbit Number: 41099 Latitude: 12.5609 Longitude: 258.812 Instrument: VIS Captured: 2011-03-21 10:32

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.

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