Alexander Vilenkin - Did Our Universe Have a Beginning?

Make a donation to Closer To Truth to help us continue exploring the world's deepest questions without the need for paywalls: https://shorturl.at/OnyRq Watch more videos on cosmic beginnings: https://shorturl.at/J0147 Everything in the universe has a beginning, but how can the universe as a whole have a beginning? Does the cosmos come with a start date? Does a universal commencement make sense? What would it possibly mean? And what if there are multiple universes? Does the entire multiverse have a beginning? Follow us on Instagram to keep up with new content, giveaways, and more: https://shorturl.at/rwC16 Alexander Vilenkin is a theoretical physicist and the Leonard and Jane Bernstein Professor and Director of the Institute of Cosmology at Tufts University. His work in cosmic strings has been pivotal. Get free access to Closer to Truth's library of 5,000 videos: http://bit.ly/376lkKN 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.