Back in 2010 , XKCD ’s Randall Munroe devoteda surprisingly moving webcomicto Spirit , NASA ’s ill - fated and ultimately abandoned Mars wanderer . Today ’s comedian is about Spirit ’s twin , the apparently indomitable Opportunity , and its tone is markedly less sentimental .
For those of you keep track at home , NASA ’s opportunity rover has now exceeded its projected missionary work duration by 3,987 days . That ’s almost 11 geezerhood . As of Tuesday , March 24 , it had roved a total space of 26.2 miles , marking “ the first fourth dimension any human enterprise has outgo the distance of a battle of Marathon on the control surface of another world,”according to John Callas , project manager for the Opportunity foreign mission at NASA JPL .
[ XKCD ]
MarsMars roverOpportunityScienceSpaceSpirit
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