Marathon Valley – Astronomy Now

24 April 2026

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With memory restored, Opportunity rover completes marathon on Mars

25 March 2015 Stephen Clark

NASA’s Opportunity rover trekking across Mars completed a marathon’s worth of driving Tuesday, extending its record-setting exploration of the red planet as engineers installed a software fix to overcome a problem with the aging robot’s flash memory.

NASA’s Mars Rover Opportunity scales new heights

11 January 2015 Astronomy Now

Despite ongoing problems with its flash memory, Opportunity reached the summit of “Cape Tribulation” on the rim of Endeavour Crater during its 3,894th Martian day, pausing to photograph the stunning vista.