Physicists Reconsider The Existence Of Extreme Black Holes Once Thought To Be Impossible

Once considered an impossibility, new research suggests that a form of extreme black holes could exist and be detected via gravitational waves.

from Forbes Real Time https://www.forbes.com/sites/johnfarrell/2018/05/27/physicists-reconsider-the-existence-of-extreme-black-holes-once-thought-to-be-impossible/
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