Black Holes Have No Hair, But They Do Have Comb Overs

October 06, 2025 Universe Today

Black Holes Have No Hair, But They Do Have Comb Overs
By Brian Koberlein (https://ift.tt/y281Tj6)

Three polarized light images of M87* from 2017, 2018, and 2021. The images differ, showing how the black hole is changing over time.

Black have no hair, but the material surrounding them does, and the two can interact in unusual ways. As observations from the Event Horizon Telescope show, the magnetic fields surrounding a black hole can change extremely fast.

October 6, 2025 at 11:15PM
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