Two previously unknown moons of Jupiter have recently been discovered, and the public is being offered the chance to vote on names for them. The names must be from Greek or Roman mythology and not already taken by other planets or moons.
I voted for Hecate and Thanatos, and if you'd like to cast your vote to help determine names for the new moons, you can do so here:
http://www.plutorocks.com/. Polls will be open until 25 February 2013.