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A Scratch on the Sculpture
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A Scratch on the Sculpture

October 26, 2009
A Scratch on the Sculpture Much of Eros' surface appears almost sculptured because of its abundance of grooves. What the grooves tell us about the asteroid's history depends, in part, on whether they are parallel or instead make up two or more distinct populations.

This image from NEAR Shoemaker, taken June 18, 2000, from an altitude of 51 kilometers (32 miles), shows one of the more densely grooved sections on Eros. A lone groove with a distinctly different orientation (at the arrow) stands out like a scratch on a finely sculptured surface. The whole scene is approximately 1.9 kilometers (1.2 miles) across.


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