Methane ice dunes found on Pluto by Nasa spacecraft

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Scientists say, they have found evidence of dunes of frozen methane on Pluto. The findings come from analysis of the startling images sent back by NASA’s New Horizons Mission, which flew close to Pluto in July 2015.
In their study, the researchers explain how they studied pictures of a plain known as Sputnik Planitia, parts of which are covered with what look like fields of dunes.
They believe that the dunes are composed of grains of methane, and maybe of nitrogen as well, and that a “reservoir” of methane may exist in the snowpack of the mountains.

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