apr 122013
Explosive Crater Twins on Mars

  Dramatic underground explosions, perhaps involving ice, are responsible for the pits inside two large martian impact craters, here imaged by ESA’s Mars Express on 4 January. High-Resolution Stereo Camera nadir and color channel data taken during orbit 11467 on 4 January 2013 by ESA’s Mars Express have been combined to produce this color view of two craters, both [continue reading]