Video: Carl Sagan explains Black Holes & Bending of Light

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Carl Sagan discusses the effects of gravity on light. Sagan also explains what black holes are, and how they distort the space around them. This video is from Carl Sagan's Cosmos episode 9, "The Lives of Stars."

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: 7,102
Added: 12 years ago.
Topic: General Relativity

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