The Earth as a Planet
Jonathan
Apr 26, 20261 January 1978London, UK — Royal Institution of Great Britain
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Sagan's first Royal Institution Christmas Lecture in the 1977 'Planets' series, broadcast on BBC2 in early 1978.
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Summary
A lecture on the planets uses the solar system to explain planetary motion, phases, scale, and space exploration. It also shows how Earth can be studied remotely and how constellations and stellar distances reveal the vastness of the galaxy.
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