Question

Q.What is Event Horizon?​

Answer 1

Answer:

In astrophysics, an event horizon is a boundary beyond which events cannot affect an observer. The term was coined by Wolfgang Rindler. In 1784, John Michell proposed that in the vicinity of compact massive objects, gravity can be strong enough that even light cannot escape.

Answer 2

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• The 'event horizon' is the boundary defining the region of space around a black hole from which nothing (not even light) can escape. In other words, the escape velocity for an object within the event horizon exceeds the speed of light. ... In theory, any mass can be compressed sufficiently to form a black hole.

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