event horizon

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Definitions of event horizon words

noun event horizon the surface around a black hole enclosing the space from which electromagnetic radiation cannot escape due to gravitational attraction. For a non-rotating black hole, the radius is proportional to the mass of the black hole 0
noun event horizon the spherical boundary surrounding a black hole, within which there is such strong gravity that nothing, not even light, can escape 0
noun event horizon (astrophysics) The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light. 0
noun event horizon (by extension) A point of no return. 0

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This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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