Tuesday, November 5, 2013

"Goldilocks Galaxy" Scientists Estimate 8.8 Billion Planets

http://www.youtube.com/v/ETJNtfEKWPI?version=3&autohide=1&feature=share&showinfo=1&attribution_tag=IPum2CojBT7C1fTAmMbwxw&autoplay=1&autohide=1

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