What Happened Before the Big Bang?

From the creator

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Check out the new Space Time Merch Store! https://pbsspacetime.com/ Support Space Time on Patreon https://www.patreon.com/pbsspacetime We actually have a pretty good idea of what might have happened before the Big Bang. That is, as long as we define the Big Bang as the extremely hot, dense, rapidly expanding universe that is described by Einstein’s equations. That picture of the universe is very solid down to about a trillionth of a second after the supposed beginning of time. We can make good guesses down to about 10^-30th of a second. But before that? Hosted by Matt O'Dowd Written by Matt O'Dowd Graphics by Leonardo Scholzer Directed by Andrew Kornhaber Produced By: Kornhaber Brown Check out the Big Bang and Cosmic Inflation Playlist to learn More https://www.youtube.com/watch?v=aPStj2ZuXug&list=PLsPUh22kYmNCc3WCKb5yF136QSRf0xErm Want Even More Great Space Content? Check out the Exciting STELLAR Playlist https://www.youtube.com/playlist?list=PL1mtdjDVOoOqY7QPHGa9OppO_pjf91lbV Big Bang Supporters: Alexander Tamas Anton Lifshits David Nicklas Fabrice Eap Juan Benet Morgan Hough Quasar Supporters: Mark Heising Mark Rosenthal Vinnie Falco Hypernova Supporters: Chuck Zegar Danton Spivey Donal Botkin Edmund Fokschaner Hank S John Hofmann John R. Slavik Jordan Young Joseph Salomone Matthew Matthew O'Connor Syed Ansar Gamma Ray Burst S

Published 2019-08-19 · Watch on YouTube ↗
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