Is it possible that black holes are portals to other universes?
Is it possible that maybe black hole are portals to reach universe of anti-matter?
Are there more theories for or against our observable universe (93 billion light years across) being inside a black hole? Is it possible to make an artificial black-hole? Is it possible to have the event horizon of a black hole without a singularity? Can a black hole be a worm hole? If you could reach the black hole center, would you just see a tiny black orb? Could a black hole have planets orbiting it? Can we kill a black hole? Is it possible that the big bang came from an exploding black hole? Is Earth in a black hole? How do you make a black hole disappear? Can a soul or a ghost go near the black hole? Is there a ring current at the event horizon of a black hole? What are the things that can escape from a black hole? Is all matter in the universe on a course to become part of a single solitary black hole? What would happen if you were to enter a black hole or a wormhole? Is there a singularity inside the event horizon of a black hole? What happens to matter that enters a black hole? If matter can't be destroyed, where does it go or turn into after entering a black hole? What really happen inside of a black hole? … Give me ur opinion Where do an object in the space go when it falls into a black hole? What happens to matter when it enters a black hole? Are we in a larger version of the outflow of a universal black hole? Given enough time, will the whole universe become a black hole? Could the singularity of a black hole be a graviton? Is there a black hole in the Milky Way galaxy? If everything I experience of this Universe collapses into me, do I exist as a Black Hole looking out? Can gravitons escape the event horizon of a black hole? If not, how can we detect the black hole's gravity? Is the Big Bang a black hole in reverse? Could the arrow of time associated with the Big Bang actually be the time associated with the outflow of a universal black hole? How do we know we are not living in a black hole?