Tracks on Mars This cylindrical projection mosaic was created from navigation camera images acquired by NASA’s Mars Exploration Rover Spirit on sol 151. The rover sits at site 63, which is still more than 100 meters (328 feet) from the base of the Columbia Hills. As can be seen by the rover tracks fading off in the distance, Spirit made great progress on this sol, roving 73 meters (240 feet) to get to this point.
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