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Astronomers Just Calculated The Spin Speed of a Supermassive Black Hole

www.sciencealert.com Astronomers Just Calculated The Spin Speed of a Supermassive Black Hole

A feast devoured by a supermassive black hole a billion light-years from Earth has revealed how fast that black hole spins on its axis.

Astronomers Just Calculated The Spin Speed of a Supermassive Black Hole
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