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Schwarzschild radius

noun Schwarz·schild radius \ ˈshwȯrtˌshild- , ˈs(h)wȯrtsˌchīld- ; ˈshvärtˌshilt- \

Definition of Schwarzschild radius

:the radius of the spherical boundary within which a given mass (as of a star) must collapse to become a black hole; also :the distance of the event horizon from the center of a black hole

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Origin and Etymology of schwarzschild radius

after Karl Schwarzschild †1916 German astronomer

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