Jisho

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冥王星衛星
Wikipedia definition
1. Moons of PlutoPluto has four known moons. The largest, Charon, is proportionally larger, compared to its primary, than any other satellite of a known planet or dwarf planet in the Solar System. The other moons, Nix, Hydra, and S/2011 P 1 ("P4") are much smaller. The team that discovered S/2011 P 1 also found possible evidence of a couple of even fainter moons, but this needs more study to be confirmed.
Read “Moons of Pluto” on English Wikipedia
Read “冥王星の衛星” on Japanese Wikipedia
Read “Moons of Pluto” on DBpedia

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