Valley Glaciers on Pluto:

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Valley Glaciers on Pluto:
Release Date: September 17, 2015
Keywords: MVIC, Pluto, Ralph
Ice (probably frozen nitrogen) that appears to have accumulated on the uplands on the right side of this 390-mile (630-kilometer) wide image is draining from Pluto's mountains onto the informally named Sputnik Planum through the 2- to 5-mile (3- to 8- kilometer) wide valleys indicated by the red arrows. The flow front of the ice moving into Sputnik Planum is outlined by the blue arrows. The origin of the ridges and pits on the right side of the image remains uncertain.

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute
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