Milky Way vs. Largest Known Galaxy. [VIDEO]

Milky Way Vs. Largest Known Galaxy

Jul 10, 2011 Educational
On this episode of the Discovery Channel's show "How The Universe Works", we get an in-depth look at some of the lesser-known, amazing facts about deep space. This video shows exactly how big the universe is, and how small the Milky Way is, relative to it.
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