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Milky Way Stuffed With an Estimated 50 Billion Alien Worlds

February 19th, 2011 02:31 admin Leave a comment Go to comments

Space

astroengine writes “Using data extrapolated from the early Kepler observations of 1,235 candidate exoplanets, mission scientists have placed an estimate on the number of alien worlds there are in our galaxy. There are thought to be 50 billion exoplanets, 500 million of which are probably orbiting within their stars’ habitable zones.”

Source: Milky Way Stuffed With an Estimated 50 Billion Alien Worlds

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