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How to Make a Black Hole

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Black hole simulation

Supercomputer simulations show the moment when a pair of neutron stars collide, collapse into a black hole, and tear themselves out of the visible universe.

Credit: Dennis Overbye, Jason Drakeford, and Jonathan Corum

On July 2, 1967, a network of satellites designed to detect tests of nuclear weapons recorded a flash of gamma rays coming from the wrong direction—outer space.

From The New York Times
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