Binary black hole
= Binary black hole
{wiki=Binary_black_hole}
A binary black hole system consists of two black holes that are in orbit around each other. These systems are significant in the field of astrophysics for a number of reasons: 1. **Formation**: Binary black holes can form from the gravitational collapse of massive stars in a binary star system. When these stars exhaust their nuclear fuel, they undergo supernova explosions, potentially leaving behind black holes.