Status Report

Mars Odyssey THEMIS Image: Crater Deformation

By SpaceRef Editor
May 20, 2003
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Medium image for 20030520a

Image Context:

Context image for 20030520a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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This crater is located at 37 N, a latitude far enough north that ground ice is present, and
it sculpts the terrain when it moves. In this image, the western rim of the crater has been
deformed from its original, presumably circular, shape. Note, however, that lobes of material
and grooves (seen best at full resolution) in the crater’s ejecta blanket are still pristine:
perhaps ground ice moves the most on steep topography, such as on a crater rim.

[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
Latitude37.6   InstrumentVIS
Longitude159.1E (200.9W)   Resolution (m)19
Image Size (pixels)3077×1409   Image Size (km)58.5×26.8

SpaceRef staff editor.