In the thick of star clusters, black holes collide and grow like a snowball. Artificial intelligence suggested that globular clusters rarely host monsters heavier than 100 Suns, but in the cores of some galaxies, elusive ‘middleweights’ may hide. The hunt continues.
🎯 Merged black holes often get a kick from their own radiation and zoom away at hundreds of kilometers per second — like a ball flying off the billiard table.