black holes in space

The Hairy, Tiny Black Hole Donut Theory

If you know anything about black holes, you probably think their shape can only be spherical. But they might also be shaped like tiny doughnuts. And if that's true, we might be living in a five-dimensional universe.

THE PAPER: A Rotating Black Ring Solution in Five Dimensions


THE JOURNAL: Physical Review Letters, March 11, 2002


THE AUTHORS: Roberto Emparan and Harvey S. Reall


THE GIST: If you know anything about black holes, you probably think their shape can only be spherical. But they might also be shaped like tiny doughnuts. And if that's true, we might be living in a five-dimensional universe.





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