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STATUS REPORT
Date Released:
Monday, August 26, 2002
Source: Mars Odyssey THEMIS
Mars Odyssey THEMIS Image: Trouvelot Crater Deposit
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| Image Context: |
 | | Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team | | [ Find on map: Javascript version ]
| | [ Find on map: CGI version ] |
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| Like many of the craters in the Oxia Palus region of Mars, Trouvelot
Crater hosts an eroded, light-toned, sedimentary deposit on its floor.
Compared with the much larger example in Becquerel Crater to the NE, the Trouvelot deposit has been so eroded by the
scouring action of dark, wind-blown sand that very little of it
remains. Tiny outliers of bright material separated from the main mass
attest to the once, more areally extensive coverage by the deposit. A
similar observation can be made for White Rock,
the best known example of a bright, crater interior deposit. The origin
of the sediments in these deposits remains enigmatic but they are likely
the result of fallout from ash or dust carried by the thin martian
atmosphere.
[Questions? Email images@themis.asu.edu] [Source: ASU THEMIS Science Team] |
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| 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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| Parameter | Value | | Parameter | Value |
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| Latitude | 15.6 |
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Instrument | VIS |
| Longitude | 346.7E (13.3W) |
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Resolution (m) | 19 |
| Image Size (pixels) | 3025x1230 |
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Image Size (km) | 57.5x23.4 |
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