Name the Moons of Pluto

Let's name the moons of Pluto! 

Mark Showalter (SETI Institute), Franck Marchis (SETI Institute), Hal Weaver (Johns Hopkins University), Alan Boyle (NBC News), and Nadia Drake ( discuss naming Pluto's moons, P4 & P5. Join our panel as they go into detail about naming conventions, the history of Pluto, and even reveal their favorites.


The discoverers of Pluto's two tiniest moons are inviting the public to help select names for the new moons. By tradition, the moons of Pluto have names associated with Hades and the underworld. Beginning today, people can vote by visiting:

"The Greeks were great storytellers and they have given us a colorful cast of characters to work with," said Mark Showalter, Senior Research Scientist at the Carl Sagan Center of the SETI Institute in Mountain View, California. He and the teams of astronomers who made the discoveries will select two names based on the outcome of the voting. Until now, these small moons have been referred to as, simply, "P4" and "P5". Like Pluto's three other moons, Charon, Nix and Hydra, they need to be assigned names derived from Greek or Roman mythology.