• August 13, 2009

    Episode 233: Snow on Mars

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    The red planet Mars conjures up images of rocks and arid, dusty plains, but last year NASA's Phoenix Mars Lander showed that it snows on Mars. The Phoenix robot observed ice crystals falling to the Martian surface. Now new research could shed light on the past and present water cycle on the Martian surface, and possibly characterize the potential habitability of the red planet.