A mysterious intergalactic force is pushing against the Milky Way

A mysterious intergalactic force is pushing against the Milky Way

Artist’s representation of superclusters in the universe. (Image credit: Mark Garlick/Science Photo Library)

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of “ask an astronaut and “space radio” and author of “how to die in space.”

It sounds like the premise of a bad sci-fi movie: there is a mysterious entity, beyond the borders of our galaxy, pushing us with incredible force. We don’t know exactly what it is, and we don’t know how long it’s been around. But we know its name: dipole repellent.

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