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| Schwarzs·child ra·di·us [ shwáwrts chld ràydee əss, shvrts shìlt ràydee əss ] |
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| Definition: |
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radius around black hole: the critical radius within which the gravitational force of a gravitationally collapsing astronomical object becomes so great that neither matter nor energy can escape, creating a black hole
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| [Mid-20th century. After Karl Schwarzschild (1873-1916), German astronomer] |
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