PBS Space Time
How We Know The Universe is Ancient (2020x16)
Air date: May 04, 2020
The universe is precisely 13.8 billion year old - or so our best scientific methods tell us. But how do you learn the age of the universe when there’s no trace left of its beginnings?
- Premiered: Feb 2015
- Episodes: 371
- Followers: 0
- Running
- PBS
- Wednesday at 12