Video: Carl Sagan explains the geometry of our universe

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Carl Sagan discusses the curves and warps of space-time. He discusses the possible shapes of space-time. This clip is from Carl Sagan's Cosmos episode 10, "The Edge of Forever."

If you have never seen Cosmos, I strongly recommend it. It's full of great stories like this one. It is available on DVD, in 7 subtitle languages. Purchase links are below.

http://www.carlsagan.com/

http://www.amazon.com/Cosmos-Carl-Sagan-Jarom%EDr-Hanzl%EDk/...
Views: 2,364
Added: 13 years ago.
Topic: Cosmology

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