Mars' Sweeping Dunes Steal the Show in 1st Close-Up View

It's a familiar view to those who watched Matt Damon's character, Mark Watney, fight for survival in "The Martian," yet it's one we've never actually seen up close until now: rippling sand dunes on Mars. Although NASA's Curiosity Mars rover took images of the sand dunes from a distance in September, this new image from the rover is the first to show an up-close view of the Red Planet's sweeping dunes. High Dune's portrait is just the first step in NASA's mission to investigate the dark sand dune