Study suggests 40 billion Earth-sized planets in Milky Way

NASA announced today that Kepler space telescope data shows that there are 40 billion Earth-sized (not necessarily Earth-like) planets in the Milky Way Galaxy. 

Earthshine President Randy Attwood discussed this announcement on CTV's Canada AM this morning

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For more information here is an article in the New York Times. Also, check out this New York TImes graphic.

And this video.