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Young at Heart: Pluto's Ice Only 10 Million Years Old

Pictures are still filtering back from NASA's New Horizons close-up of Pluto last year and one of the biggest surprises so far comes from the region informally known as Sputnik Planum.

January 22, 2016
11:20 AM EST
This is believed to be a patchwork of ices on Sputnik Planum. | NASA/JHUAPL/SwRI