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What do we mean by the event horizon of a black hole?

killian

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What do we mean by the event horizon of a black hole?

What do we mean by the event horizon of a black hole?
A) It is the point beyond which neither light nor anything else can escape.
B) It is the very center of the black hole.
C) It is the distance from the black hole at which stable orbits are possible.
D) It is the place where X-rays are emitted from black holes.

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killian Author

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Thanks sir

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