How the Universe Works

Season 2 Episode 6

Comets

1
Aired Unknown Aug 15, 2012 on Discovery Channel
7.5
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Episode Summary

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We follow the odyssey of a comet as it sails through space, watching every move as it evolves from a chunk of ice and rock into an active nucleus engulfed in a gaseous haze. What we learn is a revelation; comets are even more mysterious than we imagined.moreless
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