Gravitational waves gave a new black hole a high-speed ‘kick’
Two black holes united into one, which then sped off at around 5 million kilometers per hour
![an illustration of two black holes merging](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/04/042122_EC_black-hole-kick_feat.jpg?fit=1030%2C580&ssl=1)
When two black holes spiral around each another before coalescing into one (illustrated), they emit gravitational waves that can give the newly formed black hole a high-speed jolt.
LIGO, Caltech, MIT, Aurore Simonnet/Sonoma State