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Degraded Craters
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Degraded Craters

October 27, 2009
NEAR Shoemaker captured this picture of two similarly sized craters in different states of preservation on January 1, 2001, from an orbital altitude of 35 kilometers (22 miles). The large "fresh" crater near the top of the frame exhibits a bowl shape with a relatively well-defined, sharp rim. The "degraded" one below it is puckered by smaller craters and probably partly buried by regolith, so the crisp detail visible in the top crater has been lost. The whole scene is about 0.9 kilometers (0.6 miles) across.


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