What matters to you.
0:00
0:00
NEXT UP:

How Big is the Solar System?

Season 2 Episode 1

About the Episode

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 | Expires: | Runtime: 7m 07s
Support for GBH is provided by: