Free Astronomy Magazine January-February 2016

46 Curiosity vis sand dunes of Mars by Michele Ferrara PLANETOLOGY JANUARY-FEBRUARY 2016 A track left by one of the Curiosity rover’s wheels near a Mar- tian sand dune, photographed on 2 December with the Mastcam. The scene is a mosaic of several indivi- dual images, shown with col- ours and lighting conditions that simulate a terres- trial environment. [NASA/JPL-Cal- tech/MSSS]