This image, taken on Aug. 4, 2014, from the Navigation Camera on NASA Curiosity Mars rover shows wheel tracks printed by the rover as it drove on the sandy floor of a lowland called Hidden Valley on the route toward Mount Sharp.
This image, taken on Aug. 4, 2014, from the Navigation Camera on NASA Curiosity Mars rover shows wheel tracks printed by the rover as it drove on the sandy floor of a lowland called Hidden Valley on the route toward Mount Sharp.