NASA Mars Exploration Rover Opportunity arrived at the rim of Endeavour crater on Aug. 9, 2011, after a trek of more than 13 miles 21 kilometers lasting nearly three years since departing the rover previous major destination, Victoria crater.
NASA Mars Exploration Rover Opportunity arrived at the rim of Endeavour crater on Aug. 9, 2011, after a trek of more than 13 miles 21 kilometers lasting nearly three years since departing the rover previous major destination, Victoria crater.