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MeerKAT Confirms the Gravitational Wave Background of the Universe in Record Time

Astronomers are collecting evidence for the gravitational wave background of the Universe, caused by merging supermassive black holes. Now, the MeerKAT radio telescope has confirmed the discovery first made by the NANOGrav experiment, but in a third of the time. For the last five years, MeerKAT has monitored dozens of millisecond pulsars once a week, detecting subtle changes in their radio emissions as gravitational waves flow by.

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