New images of Mars show sand dunes and ripples moving across the surface at dozens of locations, and shifting up to several metres, revealing that the planet's sandy surface is more dynamic than previously thought.
Source: http://www.cosmosmagazine.com/news/5002/mars-sand-dunes-caught-motion
Arielle Kebbel Ashanti Ashlee Simpson Ashley Greene Ashley Olsen Ashley Scott Ashley Tappin Ashley Tisdale Asia Argento Aubrey ODay
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