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On the Downslope
Featured on July 24, 2017
Water, ice, or wind may have carved this notch in the rim of Endeavour crater, which was photographed by the Opportunity Mars rover in June. The rover's tracks are visible heading toward the notch, known as Perseverance Valley. The rover will move farther down the valley in August, after Mars emerges from behind the Sun and communications are restored. [NASA/JPL/Cornell/Arizona State]