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How Big is the Solar System? | It's Okay to be Smart

Posted by WMHT Web Editor on

The moon is 385 thousand kilometers away, but distances are sometimes difficult to grasp. You could probably picture the distance between your house to the street corner, but the human brain just can’t fathom how massive things like the solar system are. So how can we envision how big the solar system truly is?

In this PBS Digital episode of “It's Okay to be Smart,” students take a trip to one of Austin, Texas’s famous moontowers to get a sense of the enormity of our solar system. With the help of a grapefruit and a lot of walking, your class develops an understanding of just how tiny everything is in the vastness of space.



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