PBS Space Time
tv show

415 total episodes
-
12 seasons
First Aired February 11, 2015
Genres:
Overview
Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.
What Happened Before the Big Bang? poster unavailable
What Happened Before the Big Bang?
Season 2019 - Episode 26 - 0h 14m
Air Date
August 19, 2019
Overview
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?