What Happened Before the Big Bang

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=chsLw2siRW0

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 • / 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 • • Why the Big Bang Definitely Happened ... • Want Even More Great Space Content? Check out the Exciting STELLAR Playlist • • STELLAR: Frontiers In Space • 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 Supporters: • • Adrien Hatch • Adrian Molyneux • Alexey Eromenko • Andreas Nautsch • Bradley Jenkins • Brandon Labonte • Carlo Mogavero • Dan Warren • Daniel Lyons • David Behtala • DFaulk • Dustan Jones • Geoffrey Short • James Flowers • James Quintero • John Funai • John Pollock • Jonah • Jonathan Nesfeder • Joseph Dillman • Josh Thomas • Kevin Warne • Kyle Hofer • Malte Ubl • Mark Vasile • Nathan Hitchings • Nicholas Nachefski • Nick Virtue • Paul Rose • Scott Gossett • Sigurd Ruud Frivik • Taras Vozniuk • Tim Jones • Tim Stephani • Yurii Konovaliuk • سلطان الخليفي

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