PBS Space Time
tv show
409 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.
How We Know The Universe is Ancient poster unavailable
How We Know The Universe is Ancient
Season 2020 - Episode 16 - 0h 18m
Air Date
May 04, 2020
Overview
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?