Physics Girl

This Thing is -270°C and is EVERYWHERE

Season 4 Episode 18 | 9m 29s Video has closed captioning.

In this video, Dianna explores one of the most mysterious discoveries in physics - a constant microwave signal that seemed to be coming from everywhere in the universe. It turned out to be light from an unusual process 13.8 billion years ago.

Aired: 01/24/20

Rating: NR

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Problems Playing Video? | Closed Captioning