#lightyear
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Tonight Show: SETI and Star Wars
Sagan's Tonight Show appearance with Johnny Carson — critiquing Star Wars' 'human chauvinism' and discussing SETI.
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Excerpt from the BBC science documentary on SETI — the earliest extant TV footage of Sagan, then a young astronomer at the Smithsonian Astrophysical Observatory and Harvard.
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The Earth as a Planet
Sagan's first Royal Institution Christmas Lecture in the 1977 'Planets' series, broadcast on BBC2 in early 1978.
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