8 January 2013

17 billion Earth-sized planets in Milky Way: study




17 billion Earth-sized planets in Milky Way: study (via AFP)
The Milky Way contains at least 17 billion planets the size of Earth, and likely many more, according to a study that raises the chances of discovering a sister planet to ours. Astronomers using NASA's Kepler spacecraft found that about 17 percent of stars in our galaxy have a planet about the size…



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