Paul Steinhardt - How Did Our Universe Begin?

Beginnings are momentous, the beginning of the universe especially so. How did the beginning of our universe happen? Cosmic inflation is the theory that an exponential expansion within the first tiny fraction of a second generated everything that we see, all the vast galaxies, stars and planets. What’s the evidence? What’s the meaning?

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Paul J. Steinhardt is the Albert Einstein Professor of Science at Princeton University and Director of the Princeton Center for Theoretical Science at Princeton University, where he is also on the faculty of both the Department of Physics and the Department of Astrophysical Sciences.

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