When did Horizon Season 50 Episode 4 air?
Horizon Season 50 Episode 4 aired on August 27, 2012.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 50 · Episode 4
How Big Is the Universe?
Aug 27, 2012·1h
Cosmologists talk about their project to create a map of everything in existence, and also reveal that their research has some highly unexpected results, creating a picture stranger than anything they had ever imagined.
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How long is Horizon Season 50 Episode 4?
This episode runs for approximately 60 minutes.
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