A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall slope in the southern highlands of Mars.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/v...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/v...