Skip to main content
Access to this video is a benefit for members through

Up Next

Back to Show
Ancient Skies

Our Place in the Universe

Season 1 Episode 3

In Episode 3, we complete the puzzle of our ancient skies, collecting the missing pieces required for an accurate model of our universe. We break through the spheres that defined our skies for millennia, abandon the long-held idea of circular orbits, discover new neighbors in our solar system, and begin to comprehend the enormity of our ever-growing universe.

Watch Preview
Support Provided By
Finding the Center
Unlock with PBS Passport
55:14
Episode two charts our efforts to give the earth shape and place in the cosmos.
Gods and Monsters
Unlock with PBS Passport
55:15
Explore the earliest origins of our relationship with the skies.
Active loading indicator