What we used to see of Pluto vs what we see now No one imagined that we would find a geologically active world with mountains made of water-ice and a thin atmosphere We expected a dead frozen rock Scientists have no idea where the heat is coming from that

Tags: space, pluto, imagined, geologically, active, world, mountains, water-ice, thin, atmosphere, expected, dead, frozen, rock, scientists, idea, heat, coming, powers, processes


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