New high-res photos of the dwarf planet show a terrain that NASA scientists didn't expect to find. Possible dunes, nitrogen ice flows, mountainous regions, plains and networked valleys show a surprisingly diverse geological history — the complexity resembles Mars surface, NASA said.
http://www.usatoday.com/story/tech/2015/09/11/new-pluto-photos-leave-nasa-scientists-reeling-new-horizons-september/72068398/
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