Opportunity moves on from Marathon Valley

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After almost a year exploring Marathon Valley, an east-west cut through the western rim of Endeavour Crater, the Mars rover Opportunity is about to head out and south, following the outside of the crater’s rim.

For a rover that was only supposed to last 90 days, Opportunity has now traveled more than 26.5 miles in its 12 years of operation on the Martian surface.


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