From: Mars Odyssey THEMIS
Posted: Sunday, December 12, 2004
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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This image is from the Meridiani region of Mars. Several craters at different stages of modification are visible in this image. At the upper right is a crater with its rim forming a thin circular ridge surrounding a filled crater floor. Diagonally down from the first crater is a circular feature which may be a completly filled crater. On the left side is a crater with visible ejecta and a partially filled floor. The rim interior wall is almost completly exposed on this crater.
[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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