Status Report

NASA Mars Odyssey THEMIS Image: Lava Flows

By SpaceRef Editor
July 31, 2003
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Medium image for 20030731a

Image Context:

Context image for 20030731a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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Remarkable differences in brightness and texture are apparent between these
lava flows found on the southern flanks of Arsia Mons. These differences
could be due to variations in composition, age, vessicularity, or degrees of

[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
Latitude-19.5 &nbsp InstrumentVIS
Longitude238.4E (121.6W) &nbsp Resolution (m)19
Image Size (pixels)3079×1319 &nbsp Image Size (km)58.5×25.1

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