This image from NASA's Mars Exploration Rover Opportunity's view shows the rover's tracks visible at the original spot where the rover attempted unsuccessfully to exit its landing site crater in 2004.
This is the left-eye version of the Mars Exploration Rover Opportunity's view on its 56th sol on Mars, before it left its landing-site crater. To the right, the rover tracks are visible at the original spot where the rover attempted unsuccessfully to exit the crater. After a one-sol delay, Opportunity took another route to the plains of Meridiani Planum. This image was taken by the rover's navigation camera.
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