A depiction of one of NASA's long-lived Mars Exploration Rovers: 'But never, none of us, never thought they were going to get five years,' says MER principal investigator Steve Squyres of Cornell University. Credit: National Geographic
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A depiction of one of NASA's long-lived Mars Exploration Rovers: 'But never, none of us, never thought they were going to get five years,' says MER principal investigator Steve Squyres of Cornell University. Credit: National Geographic |
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