Beautiful pictures of Mars from Nasa 9

A 1,300 kilometer (approximately 800 mile) diameter depression from which enormous cataclysmic releases of ground water are thought to have exploded onto the surface of Mars long ago. Mars is filled with surface depressions and riverbeds carved and otherwise formed by ancient water flows.

Read more: http://science.time.com/2012/08/06/martian-vistas-a-look-at-curiosity-rovers-new-home/#ixzz2HGwbvtq4