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Religion & Spirituality

Where are all the aliens? Stephen Webb

TEDTalks Science and Medicine by TED

Jul 19, 201800:13:08Religion & Spirituality

The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb has an explanation: we're alone in the universe. In a mind-expanding talk, h...

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Where are all the aliens? Stephen Webb is an episode from TEDTalks Science and Medicine by TED. The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb...

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Published Jul 19, 2018, 00:13:08 long, audio available.

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