Welcome to Iowa Public Television! If you are seeing this message, you are using a browser that does not support web standards. This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device. Read more on our technical tips page.

Iowa Public Television


Heads Up

Why Are Planets Round? (#106)

Learn how the force of gravity influences the shapes of planets. Visit a gravity trap and learn about the ultimate gravity trap. [28 minutes] Closed Captioning

This episode has not aired in the past few months on Iowa Public Television.

PBS Video

Series Description: This astronomy and astronautic series takes "tweens" beyond the classic of the Big Dipper and Moon on an informative and entertaining tour of our Solar System, the Milky Way and beyond.

View All Episodes »

All Upcoming Episodes

There are no broadcasts currently planned. Please check back for future broadcast dates.

View All Episodes »

« Back to Programs A-Z