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Amphitrites Patera is an old volcanic complex located south of Hellas Planitia. The surface in this VIS image has a unusual texture, one seen more commonly on the nearby south polar ice. The surface appears to be eroding in a fashion that creates small circular features which grow and coalesce into larger circles.

Orbit Number: 74545 Latitude: -57.6389 Longitude: 66.7121 Instrument: VIS Captured: 2018-10-04 06:51

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.