
Episode 3 Preview | Our Place in the Universe
Preview: Episode 3 | 30sVideo has Closed Captions
A cast of scientific pioneers reshape our solar system.
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.

Episode 3 Preview | Our Place in the Universe
Preview: Episode 3 | 30sVideo has Closed Captions
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.
How to Watch Ancient Skies
Ancient Skies is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
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Hear Jules Verne's story of a cannon shot to the moon. (2m 4s)
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Take a closer look at John Harrison's Marine Chronometer. (2m 9s)
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Astronomer Tycho Brahe overturns 1,500 years of scientific belief. (2m 16s)
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Georges Lemaître proposes that the universe is expanding. (2m 56s)
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