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Image from a computer simulation of the formation and evolution of a black hole. Credit: Ore Gottlieb/Simons Foundation

Mystery solved: How the "impossible" merger of two giant black holes occurred

New simulations from the Center for Computational Astrophysics at the Flatiron Institute suggest that the formation of black holes in the "forbidden" mass range results from a combination of rapid rotation and strong magnetic fields, which eject up to half of the star's mass and create
Two massive black holes have collided in deep space, creating a final monster that defies current theories. Scientists say it's the most massive, fastest-spinning merger ever discovered.

LIGO Detects Gravitational Waves from Extreme Black Hole Merger *Pushing the Limits of Einstein's Theory of Relativity

A collision between two massive black holes creates a body that rotates at dizzying speeds and contradicts standard models – possibly resulting from previous mergers