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How the Universe Works
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The Search for a Second Earth
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The Search for a Second Earth - Cast Appearances
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Guest Cast
Guest Crew
Cast Appearances
Crew Appearances
Gallery
Erik Todd Dellums
voices
Himself (Narrator)
Phil Plait
as
Himself (Astronomer)
Michelle Thaller
as
Astronomer, NASA Goddard Space Flight Center
Michio Kaku
as
Himself (Theoretical Physicist, City University of New York)
James S. Bullock
as
Himself (Astrophysicist)
