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Does it have the kind of
protective magnetic field that has sheltered the
evolution of life on the
surface of our world?
protective magnetic field that has sheltered the
evolution of life on the
surface of our world?
Full Transcript
00:00:01.000 --> 00:00:03.469
Does it have the kind of
protective magnetic field that
00:00:03.503 --> 00:00:08.174
has sheltered the
evolution of life on the
surface of our world?
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Movie Summary
"Cosmos: A Spacetime Odyssey" returns for a second season. Ann Druyan, original creative collaborator to Carl Sagan, serves as executive producer.