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How the Universe Works Season 2 Episode 4 Comets

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Published on Jul 5, 2015

How the Universe Works Season 2 Episode 4 Comets - Discovery Documentary. We think of comets as beautiful glowing balls of light streaking across our skies .

Watch the movement of a comet as it evolves from a chunk of ice and rock into an active nucleus engulfed in a gaseous haze. Comets, Galaxy, Shooting Stars.

How the Universe Works is a mini-series that originally aired on the Discovery Channel April 25, 2010 to May 24, 2010. The first and third seasons were narrated .

How the Universe Works Season 2 Episode 4 Comets - Discovery Documentary. We think of comets as beautiful glowing balls of light streaking across our skies .

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