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This VIS image shows part of Artynia Catena, just one of many north/south trending tectonic graben located around Alba Mons. Artynia Catena is located northwest of Alba Mons. While other graben in the area are identified as fossae (defined as a long, narrow depression), the circular depressions within this graben lead to the descriptor name catena (defined as a chain of craters). In this case the craters are most likely a result of roof collapse into an underlying open space such as a lava tube. Artynia Catena is 279km (173 miles) long.

Orbit Number: 94566 Latitude: 46.3178 Longitude: 240.536 Instrument: VIS Captured: 2023-04-09 21:05

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.