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NASA Mars Odyssey THEMIS Image: Windstreak on Lava Flow

Status Report From: Mars Odyssey THEMIS
Posted: Thursday, June 30, 2005

Medium image for 20050630a
Image Context:
Context image for 20050630a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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ParameterValue ParameterValue
Latitude-7.7   InstrumentVIS
Longitude227.5E (132.5W)   Resolution (m)17
Image Size (pixels)3232x1405   Image Size (km)57.4x24.9

Today's image of the flows west of Arsia Mons also contains a large windstreak. Note the the surface texture in the "white" part of the windstreak is more subdued than the rest of the flow. This is because the wind has deposited fine materials in this area. The wind can both erode the surface and cover it with deposits.

[Source: ASU THEMIS Science Team]

Note: this THEMIS visual image has not been radiometrically nor geometrically calibrated for this preliminary release. An empirical correction has been performed to remove instrumental effects. A linear shift has been applied in the cross-track and down-track direction to approximate spacecraft and planetary motion. Fully calibrated and geometrically projected images will be released through the Planetary Data System in accordance with Project policies at a later time.

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Office of Space Science, 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.

Image Credit: NASA/JPL/Arizona State University


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