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The Guardian - UK
The Guardian - UK
Science
Hannah Devlin Science correspondent

Astronomers detect ‘cosmic bass note’ of gravitational waves

United States Stephen Taylor Black Hole
Artist's impression of a black hole
The observations open a new window on the monster black holes that lie at the centre of galaxies. Photograph: John A Paice/PA

Astronomers have detected a rumbling “cosmic bass note” of gravitational waves thought to be produced by the slow-motion mergers of supermassive black holes across the universe.

The observations are the first detections of low-frequency ripples in the fabric of spacetime and promise to open a new window on the monster black holes lying at the centres of galaxies.

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