Dynamical interactions between black holes are thought to be extremely rare, and the gravitational wave data obtained so far by LIGO and Virgo would appear to support this. Nevertheless, two black holes met by chance, and it created something never seen before.
The ripples in space-time caused by colliding black holes have revealed a great deal about these mysterious objects.
Black hole characteristics such as their masses, the pattern of their spiraling inwards toward one another, sp...
