Black hole ‘carnivals’ could produce the signals seen by gravitational wave detectors
Artist’s impression of a collection of black holes at the heart of a star cluster. Credit: ESA/Hubble, N. Bartmann Since 2015, the LIGO-Virgo-KAGRA collaboration has detected around 85 pairs of colliding black holes. We now know that Einstein was right: gravitational waves are generated by these systems as they wind around each other, warping spacetime …
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