Wednesday, April 14, 2010

Funny Face Craters on Mars

Not very scientific, but here are some Mars emoticons. Image taken with the HiRISE camera. The smiley and frowny features are explained as dunes on the floors of the craters.

Image credit: NASA/JPL/University of Arizona, more info at: http://www.uahirise.org/ESP_017020_1620

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