astroengine writes "NASA's Mars Reconnaissance Orbiter, with the help of the High-Resolution Imaging Science Experiment (HiRISE), is no stranger to spotting evidence of geological process on Mars. But as the northern hemisphere of the Red Planet enters springtime, HiRISE has captured a dramatic event in real-time: a landslide consisting of ice, dust and rock — a Martian avalanche." Link to Original Source
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