A Sky Full of Ghosts

Cosmos: A Space-Time Odyssey: Season 1: Episode 4

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Cosmos: A Spacetime Odyssey
A Sky Full of Ghosts

Episode Details & Credits

FOX | National Geographic Channel | Air Date: March 30, 2014
Summary: A journey back to 1809 features astronomer William Herschel's observations on the effects of light on time and gravity. Also: Tyson travels to the event horizon of a black hole.
Genre(s): Documentary, Science, Educational
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Season 1 Episodes

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