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Our Place in the Universe

Our Place in the Universe

Season 1 Episode 3
54:38
Episode 5: The Calling

The Calling

Season 4 Episode 5
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When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
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Ancient Skies

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.

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Our Place in the Universe
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54:38
A cast of scientific pioneers reshape our solar system.
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