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It's official! Two tiny moons orbiting the dwarf planet Pluto finally have new names: Styx and Kerberos.
The International Astronomical Union — the organization responsible for naming celestial objects — has approved "Kerberos" and "Styx" as the new monikers for two of Pluto's moons that were previously called P4 and P5 respectively, but fans of TV's "Star Trek" might not be too happy about the new names.
The IAU selected the names based on the results of the Pluto Rocks Internet poll sponsored by SETI (the Search for Extraterrestrial Intelligence), but the top vote-getter, Vulcan, ultimately wasn't chosen as a name for one of the tiny moons. [Photos of Pluto and its Moons]
