Dark matter may be a quantum mechanical wave that literally holds galaxies together.

Does Axionic Dark Matter Bind Galaxies Together? PBS Space Time

Premiered June 28, 2023
Does Axionic Dark Matter Bind Galaxies Together?

Quantum mechanics is our best theory of the fundamental nature of reality, but it's usually only distinguishable from familiar classical mechanics on the smallest scales. But it’s also possible that our entire galaxy is filled with a reverberating quantum mechanical wave that literally holds the galaxy together—and in fact explains all the dark matter that we see across the universe.

About the Program

PBS Space Time

PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.

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