NASA’s Mars Rover Opportunity Begins Study of Martian Crater


Image Credit: NASA/JPL-Caltech

Image Credit: NASA/JPL-Caltech

The initial work of NASA’s Mars rover Opportunity at its new location on Mars shows surface compositional differences from anything the robot has studied in its first 7.5 years of exploration.

Opportunity arrived three weeks ago at the rim of a 14-mile-wide (22-kilometer-wide) crater named Endeavour. The first rock it examined is flat-topped and about the size of a footstool. It was apparently excavated by an impact that dug a crater the size of a tennis court into the crater’s rim. The rock was informally named “Tisdale 2.”

Full Story: http://www.jpl.nasa.gov/news/news.cfm?release=2011-274

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