Status Report

Mars Odyssey THEMIS Image: Remnants of Lost Geology

By SpaceRef Editor
February 5, 2003
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Medium image for 20030205a

Image Context:
Context image for 20030205a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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In eastern Arabia Terra, remnants of a once vast layered terrain are
evident as isolated buttes, mesas, and deeply-filled craters. The
origin of the presumed sediments that created the layers is unknown, but
those same sediments, now eroded, may be the source of the thick mantle
of dust that covers much of Arabia Terra today.

[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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ParameterValue ParameterValue
Latitude20.5 &nbsp InstrumentVIS
Longitude50E (310W) &nbsp Resolution (m)19
Image Size (pixels)3025×1225 &nbsp Image Size (km)57.5×23.3

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