The Horizon Problem | The Universe's Biggest Mystery
Ever wondered how the Universe looks roughly the same in all directions? Because, technically, it shouldn't. It doesn't make sense.
2024-02-15 21:00:00 - Dr. Becky
So does that mean we're missing something in our physics? Something like inflation?
Or is the universe cyclical, going through Big Bangs and Big Crunches?
Or does the speed of light vary with time?
00:00 - Introduction
03:51 - What actually is the cosmic microwave background?
05:15 - What is the cosmic horizon?
06:21 - What is the "horizon problem"?
08:27 - Inflation - a solution to the horizon problem?
10:12 - Cyclical Universe - a solution to the horizon problem?
11:12 - Varying the speed of light - a solution to the horizon problem?
12:03 - But what about the "crisis is comoslogy"? Is it something else?
12:34 - Bloopers