NASA Mars Odyssey THEMIS Image: Arcuate Fractures in Olympus Mons Caldera 03-23-2005

Status Report From: Mars Odyssey THEMIS
Posted: Wednesday, March 23, 2005

Medium image for 20050323a
Image Context:
Context image for 20050323a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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ParameterValue ParameterValue
Latitude18.2   InstrumentVIS
Longitude226.9E (133.1W)   Resolution (m)19
Image Size (pixels)3045x1332   Image Size (km)57.9x25.3

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

This VIS image shows part of the caldera at the summit of Olympus Mons - a huge volcano. The arcuate (curved) fractures seen on the right side of the caldera floor were likely formed when later eruptions occurred - note the smoother, younger section to the left.

[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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