Ken Olum - What Would an Infinite Universe Mean?

Do stars and spaces go on forever? Do the numbers of galaxies, and even of universes, have no end? Is our universe infinite in size and contents? Are there an infinite number of independent universes? Are there different kinds of infinite universes? Can infinities be nested—infinities of infinities? Here’s how infinity transforms an astonishing reality. 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 if the universe will end: https://closertotruth.com/video/oluke-003/?referrer=8417 Ken Olum is a Research Professor in the Institute of Cosmology at Tufts University, where he has worked since 1997. He studies gravitational waves, cosmic strings, negative energies in quantum field theory, energy conditions and exotic phenomena in general relativity, and anthropic reasoning and other issues in cosmology. He is a member of the NANOGrav collaboration, which searches for low-frequency gravitational waves via precision timing of pulsars. 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.