Do we live inside a black hole?
Could this universe be inside a black hole?
Would the singularity in a black hole affect dark matter? If so, in what way? Is it possible to have the event horizon of a black hole without a singularity? Could the singularity of a black hole be a graviton? Is a black hole really a hole? Is it possible that black holes are portals to other universes? Is it possible that the big bang came from an exploding black hole? Can a black hole be moved? Are we in the outflow of a larger version of a supermassive black hole? Is dark energy caused by the outflow of a universal black hole? Could the big bang have been a black hole exploding? What might falling into into a black hole feel like? What is the event horizon in a black hole? Wouldn't the event horizon of a black hole be a sphere around the central mass? Is the black hole in the center of our galaxy moving? Is it possible that black hole is a tunnel which transfers matter and energy to other parallel universe? What happens to the matter that forms a black hole? What is it like in a black hole? What is a black hole? What is a black hole? Do all galaxies have a black hole? Can a black hole die? Why or why not? What is an event horizon of a black hole? In Interstellar, it is shown that through black holes we can travel to the future. How? What are some ways in which a black hole can disappear? Is the Big Bang a black hole in reverse? Can you survive a black hole? Can a black hole be infinitely small? Are there an estimates for the amount of dark matter a black hole contains? Can a black hole be compressed? What happens if a black hole die? Is there a ring current at the event horizon of a black hole?