PBS Space Time
What Caused the Big Bang? (2019x24)
Air date: Aug 06, 2019
Every astronomy textbook tells us that soon after the Big Bang, there was a period of exponentially accelerating expansion called cosmic inflation. In a tiny fraction of a second, inflationary expansion multiplied the size of the universe by a larger factor than in the following 13 and a half billion years of regular expansion. This story seems like a bit of a … stretch. Is there really any mechanism that could cause something like this to happen? What what we’re covering today – the real physics of cosmic inflation.
- Premiered: Feb 2015
- Episodes: 371
- Followers: 0
- Running
- PBS
- Wednesday at 12