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        6-12

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        Part of It's Okay To Be Smart
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        How Big Is the Solar System? | It's Okay to Be Smart

        It's Okay to Be Smart takes a trip to one of Austin's famous moontowers so we can see the enormity of our solar system. With the help of a grapefruit, and a lot of walking, you'll get an idea of just how tiny everything is in the enormity of space.

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