Rogue planet found among gang of stars

Orphan orb is closest object of its kind to Earth

By Tanya Lewis, 18:34 PM November 15, 2012

Not all planets are content to dutifully circle a star. A new rogue planet has been spied roaming free among a pack of young stars about 115 to 160 light-years from Earth.

It’s not a planet in the conventional sense, because it doesn’t orbit a star. Yet it’s between four and seven times the mass of Jupiter, well within planetary size range. The object appears to be a young, cold planet in a cluster of about 30 stars moving together called AB Doradus, astronomers report in the December Astr...

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