black hole

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black hole
A black hole (DSC 23)

A black hole (DSC 23)
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A black hole was a celestial object with a mass density so great that light could not escape it; the distance from the surface of the black hole at which its escape velocity is exactly equal to the speed of light was called the event horizon. Black holes could be formed when the core of a star collapsed in on itself after the outer layers exploded in a supernova: if the star's initial mass was greater than 8 stellar masses, the resulting neutron star's gravity would quickly cause it to collapse in upon itself until it became a black hole.[1] In 2258, the Talosians used their powers of illusion to make their planet appear to be a black hole, hoping to deter an unwanted visit by Spock and Michael Burnham.[2] Sometimes referred to as a black star, an encounter with a black hole on Stardate 3113.2 caused the U.S.S. Enterprise NCC-1701 to travel back in time to 1969.[3]

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