Three newly found planets are some of the best candidates so far for habitable worlds outside our solar system, according to NASA scientists.
NASA's Kepler satellite, which is keeping an eye on more than 150,000 stars in hopes of identifying Earth-like planets, found the trio.
"Earth is looking less and less like a special place and more like there's Earth-like things everywhere," said Kepler scientist Tom Barclay.
Two of the planets, described in the journal Science, are 1,200 light-years away; the other is 2,700 light-years away. A light-year, the distance that light travels in a vacuum in one year, is nearly 6 trillion miles.
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