现有的理论认为：当一颗巨大的星体衰老时，它的残骸形成密度极大的星体，甚至连光也无法逃脱它的重力吸引，这就是恒星级黑洞的形成过程。
Stellar-mass black holes are thought to form when giant , dying stars collapse , leaving corpses that are so dense not even light can escape their gravitational pull .
恒星级黑洞