Pluto

The Two-Way
4:03 pm
Wed July 11, 2012

Astronomers Discover Fifth Moon Orbiting Pluto

This image, taken by NASA's Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto. The green circle marks the newly discovered moon, designated P5.
NASA

We now know that Pluto, the dwarf planet formerly known as a planet, has one more moon orbiting it. Using the Hubble Space telescope, astronomers have discovered Pluto's fifth moon.

NPR's Joe Palca filed this report for our Newscast unit:

"The new moon is tiny, something between 6 and 15 miles across. It showed up in nine separate images the space telescope made in the last month. The latest image came earlier this week.

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