Earth-Centered Cosmos
Clip: Episode 2 | 1m 58sVideo has Closed Captions
Explore Ptolemy's earth-centered model of the cosmos.
Explore ancient astronomer Ptolemy's model of the cosmos, which placed the Earth at the center of everything.
Earth-Centered Cosmos
Clip: Episode 2 | 1m 58sVideo has Closed Captions
Explore ancient astronomer Ptolemy's model of the cosmos, which placed the Earth at the center of everything.
How to Watch Ancient Skies
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Episode 2 Preview | Finding the Center
Video has Closed Captions
Episode two charts our efforts to give the earth shape and place in the cosmos. (30s)
Video has Closed Captions
Take an in depth look at the celestial bodies discovered by Galileo. (2m 38s)
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