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Planetary TVRandom Space Fact

How big is our Milky Way?

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Is our solar system really that small? Dr. Bruce Betts has this week's Random Space Fact.

New videos every Friday! Subscribe to The Planetary Society: http://bit.ly/1t9KJvY

RSF 11 - How big is our Milky Way?
Starring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever

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