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Memnonia Sulci

The elongated hills in this image from NASA's 2001 Mars Odyssey spacecraft are a feature termed yardangs.
PIA21019
Credits: NASA/JPL-Caltech/ASU
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Description

Context image for PIA21019
Context image

The elongated hills in this VIS image are a feature termed yardangs. Yardangs are formed by wind activity in regions where the surface material is not well cemented. The elongation indicates the direction of the wind.

Orbit Number: 65299 Latitude: -10.1078 Longitude: 183.91 Instrument: VIS Captured: 2016-09-02 13:39

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.