Universetoday iconUniversetodaySep 15, 2026

If Black Holes Have Hair, We Will See It in the Ringdown of Their Mergers

Researchers have found that if black holes have certain features, known as "hair," then we could prove it by observing the gravitational ringdown of merging black holes.

If Black Holes Have Hair, We Will See It in the Ringdown of Their Mergers

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Researchers have found that if black holes have certain features, known as "hair," then we could prove it by observing the gravitational ringdown of merging black holes.

Future studies could test the no-hair theorem of general relativity.

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Researchers have found that if black holes have certain features, known as "hair," then we could prove it by observing the gravitational ringdown of merging black holes. Future studies could test the no-hair theorem of general relativity.

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Future studies could test the no-hair theorem of general relativity.

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