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Planetary TVRandom Space Fact

If Mars Were the Size of a Gladius Sword...

How big is the Sun compared to Mars? Dr. Bruce Betts has this week's Random Space Fact!

RSF 24 - If Mars Were the Size of a Gladius Sword...
Starring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever

Follow Bruce on Twitter: http://twitter.com/randomspacefact
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