Alexander Vilenkin - How Big Can the Cosmos Get?

The size of the cosmos has been growing, in more ways than one. Our universe is expanding. Multiple universes, an immense number of them, are likely being generated continuously. And humans have always underestimated the size of the cosmos. However large we imagine the cosmos, it is far larger than that! Free access to Closer to Truth's library of 5,000 videos: http://bit.ly/376lkKN Support the show with Closer To Truth merchandise: https://bit.ly/3P2ogje Watch more interviews on cosmic immensity: https://bit.ly/41q8gwq 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. Register for free at CTT.com for subscriber-only exclusives: https://bit.ly/3He94Ns 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.