This image from NASA's Opportunity rover shows the "Murray Ridge" portion of the western rim of Endeavour Crater on Mars. The ridge was named in honor of the late Bruce Murray, a pioneering planetary ... more 
This image from NASA's Opportunity rover shows the "Murray Ridge" portion of the western rim of Endeavour Crater on Mars. The ridge was named in honor of the late Bruce Murray, a pioneering planetary geologist and former director of NASA's Jet less 
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SPACE.com | Photo By NASA/JPL-Caltech
Thu, Nov 21, 2013 6:50 AM EST