NASA Mars Odyssey THEMIS Image: Gusev Crater, here we come! 01-03-2004
Image Context: Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team [ Find on map: Javascript version ] [ Find on map: CGI version ] This evening at approximately 8:35 PST the Mars Exploration Rover named Spirit will bounce to the ground somewhere in this scene. The image is composed of nine THEMIS VIS frames that have been mosaicked together, producing a complete picture of the region in which the rover is predicted to land. The dark streaks are places where wind has either scoured off the brighter martian dust or has covered it up by sand. Note the interesting lobes of material evident along the right side of the image just below the large crater. These may be due to the emplacement of water rich sediments or possibly lava flows. It is hoped that Spirit and all of its instruments will help us to understand the rich geologic history that is on display in this image. The biggest question to be answered: was Gusev Crater filled with water sometime in its ancient past? Stay tuned… Mosaic produced by Noel Gorelick, ASU/THEMIS Team. [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.
Image Credit: NASA/JPL/Arizona State University | ||||||||||||||||||||
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