This image from NASAs Mars Odyssey shows Galaxias Chaos, located on the northern border of the Elyisum volcanic complex.

March 29, 2023

Context image for PIA25853
Context image

Galaxias Chaos is located on the northern border of the Elyisum volcanic complex. Chaos terrain is typified by regions of blocky, often steep sided, mesas interspersed with deep valleys. With time and erosion the valleys widen and the mesas become smaller. It has been proposed that a catastrophic outflow of subsurface water creates chaos terrain. Heating related to near by volcanic activity was the likely trigger of the water outflow.

Orbit Number: 93602 Latitude: 34.3211 Longitude: 147.929 Instrument: VIS Captured: 2023-01-20 12:40

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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