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Actually, Pluto has 5 moons, not 4: Charon, Nix, Hydra, Styx, and Kerberos.
Bill Cosby would be so disappointed.
Ralston is a little behind the times. Pluto was declared a Dwarf Planet in 2006, not last year.
Actually, Pluto has 5 moons, not 4: Charon, Nix, Hydra, Styx, and Kerberos.