
The Universe is Expanding
Clip: Episode 3 | 2m 56sVideo has Closed Captions
Georges Lemaître proposes that the universe is expanding.
Georges Lemaître, Belgian priest and astronomer, used Albert Einstein's equations from the Theory of General Relativity to propose that the universe is expanding.

The Universe is Expanding
Clip: Episode 3 | 2m 56sVideo has Closed Captions
Georges Lemaître, Belgian priest and astronomer, used Albert Einstein's equations from the Theory of General Relativity to propose that the universe is expanding.
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)
Episode 3 Preview | Our Place in the Universe
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A cast of scientific pioneers reshape our solar system. (30s)
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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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