NASA Orbiter Finds New Gully Channel on Mars
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.
These before-and-after images are available online at https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA17958 . (more…)