PBS Space Time

Secrets of the Cosmic Microwave Background

Season 5 Episode 12 | 13m 53s

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.

Aired: 04/09/19

Rating: NR

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