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Mars Orbiter snaps pictures of an avalanche on Mars

39 votes

The image, taken last month, reveals at least four avalanches of fine ice and dust breaking off from a steep cliff and settling on the slope below. The cascade kicked up massive debris clouds, with some measuring more than 590 feet across.

  1. There are more details, and a hi-res photo available here:

    http://www.nasa.gov/mission_pages/MRO/multimedia/mro20080303a.html

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