Variations in the stuff that cements grains together in sandstone have shaped the landscape surrounding NASA's Curiosity Mars rover and could be a study topic at the mission's next science waypoint.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/x...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/x...