Surprise: There was a universe before the Big Bang | Ethan Siegel

"Asking the question of, where did the entire universe come from, is no longer a question for poets and theologians and philosophers. This is a question for scientists, and we have some amazing scientific answers to this question that have defied even the wildest of our expectations." Subscribe to Big Think on YouTube ► https://www.youtube.com/channel/UCvQECJukTDE2i6aCoMnS-Vg?sub_confirmation=1 Up next, The mind-blowing circle of life, explained by a biologist ► https://www.youtube.com/watch?v=bR-Mvu6Jlvc Ethan Siegel, theoretical astrophysicist and science communicator, author of the James Webb Space Telescope book, "Infinite Cosmos," and writer of the science blog, "Starts With A Bang" joins us to explore the cosmic origins of our universe. Read Ethan's companion article: https://bigthink.com/starts-with-a-bang/scientists-beyond-big-bang/ 0:00 - Where did the entire universe come from? 0:57 - A question for scientists 1:43 - The quest for the beginning of the universe 2:21 - Hubble’s telescope 4:09 - Extragalactic objects 5:11 - Blueshifted vs redshifted 6:53 - General theory of relativity 7:50 - The cosmic egg 8:26 - The origin of The Big Bang 9:55 - A cosmological constant 14:24 - Scale invariant spectrum 15:13 - Testing for Cosmic Inflation 19:34 - Our cosmic origins 21:03 - Ethan Siegel, kilt influencer Read the video transcript ► https://bigthink.com/series/the-big-think-interview/ethan-siegel/?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description ---------------------------------------------------------------------------------- Go Deeper with Big Think: ►Become a Big Think Member Get exclusive access to full interviews, early access to new releases, Big Think merch and more. https://members.bigthink.com/?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description ►Get Big Think+ for Business Guide, inspire and accelerate leaders at all levels of your company with the biggest minds in business. https://bigthink.com/plus/great-leaders-think-big/?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description ---------------------------------------------------------------------------------- About Ethan Siegel: Ethan Siegel is a Ph.D. astrophysicist and author of "Starts with a Bang!" He is a science communicator, who professes physics and astronomy at various colleges. He has won numerous awards for science writing since 2008 for his blog, including the award for best science blog by the Institute of Physics. His three books "Treknology: The Science of Star Trek from Tricorders to Warp Drive," "Beyond the Galaxy: How humanity looked beyond our Milky Way and discovered the entire Universe," and "Infinite Cosmos: Visions From the James Webb Space Telescope" are available for purchase at Amazon. Follow him on X @startswithabang.