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Our Universe Might Have Been Created By A 4D Black Hole

Scientists have proposed a radical new way of think about how the universe began. In a new imagining of the Big Bang theory, they think it could have been the result of a four-dimensional star collapsing in on itself to form a black hole, which then proceeded to spew its guts out and, kindly, form our universe.

The standard Big Bang theory has some limitations. The singularity—the idea that everything came from essentially nowhere—is one of them. The fact that the universe is at an almost uniform temperature is another, because that doesn’t square with the speed at which the universe has expanded. So physicists often ponder alternative theories that could explain the origin of our universe.