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

Question

Quizplus · Accepted Answer

The event horizon of a black hole is the point of no return beyond which nothing, not even light, can escape the gravitational pull of the black hole. It is sometimes also referred to as the "point of last scattering" because any radiation or matter that falls into the black hole is scattered at the event horizon and cannot be seen or detected by observers outside the black hole.

What Do We Mean by the Event Horizon of a Black