NASA's Opportunity rover has 'run' a science marathon (and then some!) on the Red Planet, traveling over 26.2 miles. The Mars Exploration Rover team compiled ‘Hazcam’ imagery (2004 - 2015), combined with terrain vibration data, odometer readings and made a map to track the journey. -- More about the Opportunity's Mar's Marathon Win: Credit: NASA/JPL-Caltech
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