
Pluto may have two ice volcanoes that spew water ice, nitrogen, ammonia, and methane onto the dwarf planet's surface, NASA announced today. The potential volcanoes were spied near Pluto's South Pole, in images taken by NASA's New Horizons spacecraft during its July flyby. NASA scientists used the photos to measure the mountains, they are several miles high and tens of miles wide, with large holes in their summits. "On Earth that generally means one thing a volcano," said Oliver White, New Horizo...
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