Eighty light-years from Earth, there's a world that's just six times more massive than Jupiter, floating all alone without a sun to keep it warm, astronomers reported Wednesday. Such free-floaters have been reported before, but in the past, it hasn't always been clear whether these were orphaned planets or failed stars. This time, the scientists say they're sure it's a planet. "We have never before seen an object free-floating in space that that looks like this," team leader Michael Liu of the Institute for Astronomy at the University of Hawaii at Manoa said in a news release. "It has all the characteristics of young planets found around other stars, but it is drifting out there all alone. I had often wondered if such solitary objects exist, and now we know they do." Read More at NBC News.com.
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