Hawking radiation
Black hole is not quite black according to Stephen Hawking. It radiates energy from its event horrizon. This radition is called Hawking radiation name after physcist Stephen Hawking.
Black Hole
Black hole is a region in universe from where noting can escape. Everything engulfed by black hole, even it matter or energy. The boundary of black hole where the influence of black hole exists is called event horrizon.
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