Hubble spots fifth Pluto moon

Hubble spots fifth Pluto moon

Dwarf planet’s retinue grows

By Nadia Drake, 12:25 PM July 11, 2012

Pluto, the popular dwarf formerly known as a planet, has another little friend: a fifth moon, first reported early in the morning of July 11 on Twitter.

“Just announced: Pluto has some company — We've discovered a 5th moon using the Hubble Space Telescope!” tweeted Alan Stern of the Southwest Research Institute in Boulder, Colo.

And it appears that more detections might be on the way. “We fully expect to discover still more moons,” says Stern, the principal investigator of NASA’s New Horizons m...

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