Beautiful pictures of Mars from Nasa 12

Sensitive to subtle shifts in wind circulation patterns and wind strengths, Martian sand dunes are shaped just like those on Earth. On both worlds, the subtleties provide clues to the sedimentary history of the surrounding terrain.

Read more: http://science.time.com/2012/08/06/martian-vistas-a-look-at-curiosity-rovers-new-home/#ixzz2HGwlBZF8