SPACE PHOTOS THIS WEEK: Moon Shadow, Shock Wave, More

SPACE PHOTOS THIS WEEK: Moon Shadow, Shock Wave, More
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June 18, 2009--A false-color image taken by the Mars Reconnaissance Orbiter shows layers of clays and sulfates in Gale Crater, a roughly 62-mile-wide (100-kilometer-wide) crater on the border between Mars's southern highlands and northern plains.

Gale Crater is one possible landing site for NASA's Curiosity rover, an SUV-size science lab due to launch in 2011. The crater has a three-mile-high (five-kilometer-high) central mound of layered deposits, which might reveal clues about the action of liquid water--and the possibilities for life--on early Mars.
— Image courtesy NASA/JPL/University of Arizona
 
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