Secrets of the Cosmic Microwave Background

February 20, 2019
18 min
Season 2019 - Episode 6: Secrets of the Cosmic Microwave Background

Season 2019 - Episode 6: Secrets of the Cosmic Microwave Background

PBS Space Time - Backdrop

Overview

Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio produced by our noisy pre-galactic civilization. But around one percent of that buzz is something very different – it’s the cosmic microwave background radiation – the remnant of the heat-glow released when the hot, dense early universe became transparent for the first time. It sound likes random static, but that buzz contains an incredible wealth of hidden information. It holds the secrets of the universe’s fiery beginning.

Episode Information

TV Show

PBS Space Time

Season

Season 2019

Episode Number

6

Air Date

February 20, 2019

Runtime

18 minutes