This picture of a rocky incline was taken on Mars by the rover Opportunity. Because winter on Mars is apporaoching, and the temperatures will drop severely, Opportunity needs to find a warmer place where it can charge its solar panels so as not to run out of battery. The 15 degree incline ahead is known as Greeley's Haven. On top of this incline, Opportunity will have a greater exposure to sunlight on this ridge and therefore a better chance to survive the winter.
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