Back to Show
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!!
Support Provided By
2:13
Evolution has given us the gifts we need to survive this difficult time. Here's how.
10:52
Celebrating 30 years of the Hubble Space Telescope.
12:19
Do the supposed advantages for springing forward and falling back hold up?
8:23
The sunlight we see is tens of thousands of years old. How is that possible?