http://science.nasa.gov/headlines/y2008/03mar_avalanche.htm?list973110
Se pot vedea aici, imagini foarte detaliate ale marginii calotei de gheata de pe Marte!
mai am si eu o imagine
This image has captured at least four Martian avalanches, or debris falls, in action. It was taken on February 19, 2008, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. Credit: NASA/JPL-Caltech/University of Arizona