PBS Space Time

What If Dark Energy is a New Quantum Field?

Season 8 Episode 24 | 15m 22s | Video has closed captioning.

What is Quintessence? Well we know that something is up with the way the universe is expanding - there’s some kind of anti-gravitational effect that’s causing the expansion to accelerate. We don’t know what it is - just that it competes against the inward-pulling effect of gravity. We call this mysterious influence dark energy. But, what is dark energy, really?

Aired: 08/17/22

Rating: NR

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Problems Playing Video? | Closed Captioning