space

Best Space Pictures of the Week - Nov. 24, 2012

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Mercury Photos Reveal Strange 'Pie Crust' Surface

Credit: NASA/The Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington/Smithsonian Institution
New photos of the baked planet Mercury, the closest world to our sun, have revealed odd formations that look uncannily like cosmic pies, evidence of potential "ghost" craters hidden underground, scientists say. [Full Story]