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Title: Pluto's Four Littlest Moons Probably Born in a Crash
Author: Christopher Crockett
Narrator: Mark Moran
Format: Unabridged
Length: 3 mins
Language: English
Release date: 06-06-15
Publisher: Science News
Genres: Science & Technology, Magazine & Radio
Summary:
Of Plutos five satellites, four - Styx, Nix, Kerberos and Hydra - are packed together about as tightly as possible, researchers report in the June 4 Nature. The four orbits, plus that of the largest moon, Charon, are nearly synced, which suggests that the family formed from debris left behind after something big slammed into Pluto long ago.
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