Status Report

NASA Mars Odyssey THEMIS Image: Infilled Crater

By SpaceRef Editor

July 23, 2005

Filed under Daily Themis Pictures, Mars, Mars Odyssey THEMIS, US

Image Context:

Context image for 20050722a

Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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Parameter	Value		Parameter	Value
Latitude	36	&nbsp	Instrument	VIS
Longitude	46.1E (313.9W)	&nbsp	Resolution (m)	18
Image Size (pixels)	3231×1487	&nbsp	Image Size (km)	60.6×27.9

As with yesterday’s crater, this crater has been infilled

by a material that likely contains volatiles. The linear to

swirled surface marking indicate the the fill flowed as it was

filling the crater interior. The volatile could be ice, in which

case the flow features are related to glacial action. Or the

volatile could have been water, and the infilling material was

mud.

[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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