NASA Mars Odyssey THEMIS Image: Reull Vallis (22 October)

Status Report From: Mars Odyssey THEMIS
Posted: Friday, October 22, 2004

Medium image for 20041022a
Image Context:
Context image for 20041022a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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ParameterValue ParameterValue
Latitude-41.4   InstrumentVIS
Longitude107E (253W)   Resolution (m)19
Image Size (pixels)3100x1340   Image Size (km)58.9x25.5

Full data on this image has now been released via the THEMIS Data Releases website.

This week we will be examining images of Reull Vallis. Reull Vallis is located in the Martian southern highlands, just east of Hellas Basin. This extensive channel system records an interesting fluvial and mass wasting geologic history of the area. Many images show interesting patterns of mass wasted material in the bottom of the channel. For more information on the geology of Reull Vallis see

[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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