Photos, Science, Space A South Polar Pit or an Impact Crater? Posted on June 2 by heidichogue This observation from NASA’s Mars Reconnaissance Orbiter show it is late summer in the Southern hemisphere, so the Sun is low in the sky and subtle topography is accentuated in orbital images. via NASA http://ift.tt/2s25Hnd Advertisements Share this:TwitterFacebookGoogleLike this:Like Loading... Related