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Ancient Skies

Shattering the Spheres

Astronomer Tycho Brahe overturns 1,500 years of scientific belief.

Aired 08/07/2019 | Rating TV-PG

Ancient Skies

Shattering the Spheres

Clip: Episode 3 | 2m 16sVideo has Closed Captions

Astronomer Tycho Brahe overturns 1,500 years of scientific belief.

Danish Astronomer Tycho Brahe's observations of the Great Comet of 1577 overturn 1,500 years of scientific belief when he uses them to prove that planets do not orbit inside concentric crystalline spheres.

Aired 08/07/2019 | Rating TV-PG

Cannon Shot to the Moon

Video has Closed Captions

Hear Jules Verne's story of a cannon shot to the moon. (2m 4s)

Episode 3 Preview | Our Place in the Universe

Video has Closed Captions

A cast of scientific pioneers reshape our solar system. (30s)

The Marine Chronometer

Video has Closed Captions

Take a closer look at John Harrison's Marine Chronometer. (2m 9s)

The Universe is Expanding

Video has Closed Captions

Georges Lemaître proposes that the universe is expanding. (2m 56s)

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