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Frost Covered Dunes

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Pictures of Mars - Frost Covered Dunes

Pictures of Mars - Frost Covered Dunes

Copyright 1995-2003, California Institute of Technology
Dunes in Chasma Boreale, a giant trough in the north polar cap, were captured in this image taken by the Mars Global Surveyor in September 1998. Dark sand emerges from beneath a veneer of bright frost left over from the northern winter that ended in July, 1998.

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