Milky Way Stuffed with 50 Billion Alien Worlds – Discovery News

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CBS News
Milky Way Stuffed with 50 Billion Alien Worlds
Discovery News
How's this for an astronomical estimate? There are at least 50 billion exoplanets in our galaxy. What's more, astronomers estimate that 500 million of these alien worlds are probably sitting inside the habitable zones of their parent stars.
Cosmic census finds crowd of planets in our galaxySalon
Cosmic Log: Planet probe spots hot prospectsmsnbc.com
Cosmic census finds crowd of planets in our galaxyThe Associated Press
TopNews New Zealand -The Voice of Russia -CNN (blog)
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