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# What If Dark Energy is a New Quantum Field?
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/what-if-dark-energy-is-a-new-quantum-field-jalxqs/
- Published: 2024-04-02T23:12:18.000Z
- Updated: 2025-08-21T13:46:46.000Z
- Description: Let's explore Quintessence and find out what dark energy really is.
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 8, Episode 24, #ZZZ_Episode_7ddd1acb-e547-4d24-a3e5-44fa805c9f0a, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

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?