Blog Post Image: NASA Orbiter Finds New Gully Channel on Mars

This pair of before (left) and after (right) images from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter documents formation of a new channel on a Martian slope between 2010 and 2013, likely resulting from activity of carbon-dioxide frost. Image credit: NASA/JPL-Caltech/Univ. of Arizona