Wednesday, July 29, 2015

Why Pluto Lacks Craters, and Why That's So Freakishly Weird

Pluto has been puzzling us with its weirdly smooth surface, but if it’s the first Kuiper Belt Object we’ve visited, how did we know how many craters to expect in the first place? Here’s everything we’ve figured out about collisions in this chaotic area of our Solar System.

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