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It's Okay to Be Smart
How Big is the Solar System?
Season 2
Episode 1
I took a trip to one of Austin's famous moontowers so I could put the enormity of our solar system into perspective. With the help of a grapefruit, and a lot of walking, you'll get an idea of just how tiny everything is out there!!
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16:18
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16:00
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16:53
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