Discoveryのインスタグラム(discovery) - 2月26日 23時53分


From @NASA : Canyons of Pluto's North Pole: This ethereal scene captured by our New Horizons spacecraft tells yet another story of Pluto's diversity of geological and compositional features-this time in an enhanced color image of the north polar area. Long canyons run vertically across the polar area. The widest of the canyons is about 45 miles (75 kilometers) wide and runs close to the north pole. The degraded walls of these canyons appear to be much older than the more sharply defined canyon systems elsewhere on Pluto, perhaps because the polar canyons are older and made of weaker material. These canyons also appear to represent evidence for an ancient period of tectonics.
Credits: NASA/JHUAPL/SwRI

#nasa #space #pluto #plutoflyby #solarsystem #astronomy #nasabeyond #geology #science


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