Stephen Hawking Unified Theory of the Universe

Watch and learn about Stephen Hawking Unified Theory of the Universe. Professor Stephen Hawking explains about our universe
How did the universe begin?
How did life begin?
Are we alone? He says were appear to be alone given SETI and other project came up short on finding other alien comunicable life form with 100 light years of earth.
And explain how we might go about answering them.

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