How are black holes formed?
What are black holes? How are they formed?
Are black holes and singularities related? Are black holes singularities? What is a black hole in the center of galaxies? Also, what is singularity? What is it like in a black hole? Is a black hole really a hole? How are supernova and black holes related? Is there any relation between black holes and wormholes? What is a black hole singularity? Are black holes portals? Why do black holes have gravity? Are black holes like sink holes? Can a black hole be created inside a black hole? What is the size of a black hole? How powerful is a black hole? What is the diameter of black holes? Do all galaxies have a black hole? Is Earth a black hole? What is the size (or range of sizes) of a black hole? What do scientists think is inside of a black hole or on the other side? Is Earth in a black hole? What is in the center of a black hole? What is the difference between black holes and white holes? What is the diameter of black hole? Are we inside a black hole? Do black holes have an atmosphere? Does something that goes into a black hole come out the other side? What is there on the back side of a black hole? What is the biggest black hole we know? Can a black hole be a worm hole? What is an event horizon of a black hole?