Pluto Contest

February 11, 2013 - 6:31 PM
This photo provided and annotated by NASA/Hubble Space Telescope shows the five moons in their orbits around Pluto. The smallest moons — no more than 20 miles (32 kilometers) across — were discovered in that past two years and are currently referred to as P4 and P5. Astronomers announced a contest Monday, Feb. 11, 2013 to name the two tiny moons. Twelve choices are available at the website “plutorocks.” (AP Photo/NASA/Hubble Space Telescope)