the collapse of stars that are about 4 times bigger than the sun. it collapses so greatly that nothing in the universe can stop it, and it becomes a black hole.
Yes There Is A BlackholeIn Outerspace And That Blackhole Has A Lot Of Energy Once You Get In You Can't Get Out And You Can Maybe Start A New World Or Die In The Blackhole! I Hope This Was The Answer...
A black hole doesn't cause anything. It is a gravity trap - a place where gravity has gotten so strong nothing can escape (excluding Hawking radiation at the event horizon.) What happens is a star...