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Starting with a Clean Slate
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Starting with a Clean Slate

October 26, 2009
One of the surprising findings about Eros is the extent to which geologic activity has wiped out ancient craters on parts of the asteroid's surface. This picture, taken with NEAR Shoemaker's digital camera on August 5, 2000, from an orbital altitude of 52 kilometers (32 miles), shows part of the "saddle" region, in which many craters have been obliterated. Only two curved rim segments remain of the large crater in the right-middle part of the image. The whole scene is about 2.2 kilometers (1.4 miles) across.