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As scientists and astronomers peer closer at nearby stars with ever more fidelity they are discovering planets; exo planets, worlds outside our own solar system. With technological advances and improved techniques scientists are discovering more and more worlds every day. With confidence, scientists now calculated there could be as many as 40 billion Earth like planets in our Milky Way galaxy alone.
First Air Date : Dec 31, 2015
Last Air date : Dec 31, 2015
Episode : 31 Episode
Season : 3 Season
Runtime: 26:14 minutes
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