Alexander Vilenkin - How Did Our Universe Begin?

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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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Alexander Vilenkin is the Leonard and Jane Bernstein Professor and Director of the Institute of Cosmology at Tufts University. A theoretical physicist who has been working in the field of cosmology for 35 years, Vilenkin has written over 150 papers and is responsible for introducing the ideas of eternal inflation and quantum creation of the universe from nothing. His work in cosmic strings has been pivotal.

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Closer To Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.