Astronomers Describe Chaotic Dance of Pluto’s Moons – New York Times

New York Times
Astronomers Describe Chaotic Dance of Pluto's Moons
New York Times
The five moons of Pluto form a sort of miniature planetary system — one that is unique in the solar system. The largest, Charon, was discovered in 1978, and it is so large, about one-ninth the mass of Pluto, that the center of mass of the two lies outside Pluto.
New images of Pluto's moons hint at unusual behaviorWashington Post

Pluto's Moons Raise New Puzzles for NASA's New Horizons
Pluto's Moons Dance to a Random BeatNational Geographic
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