A rippled dune front in Herschel Crater on Mars moved an average of about one meter about one yard between March 3, 2007 and December 1, 2010, as seen in one of two images from NASA Mars Reconnaissance Orbiter.
A rippled dune front in Herschel Crater on Mars moved an average of about one meter about one yard between March 3, 2007 and December 1, 2010, as seen in one of two images from NASA Mars Reconnaissance Orbiter.