It's Okay to Be Smart

How Big is the Solar System?

Season 1 Episode 13 | 7m 7s

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!!

Aired: 07/14/13

Rating: NR

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