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Impact tracks in aerogel

Impact tracks in aerogel

NASA / JPL-Caltech / University of Washington

Impact tracks in aerogel
These tracks were made by two particles from comet Wild 2 after they crashed into an aerogel sample cell on the Stardust spacecraft. The largest comet particles fragmented into multiple pieces on impact; you can see several particles at the ends (on the left) of these tracks.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

Explore related images: pretty pictures, comets, comet Wild 2, Stardust

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