+The Event Horizon is the boundary in [Spacetime](/wiki/spacetime) around a [Black Hole](/wiki/black_hole) from which nothing, not even light, can escape. It marks the point of no return, where gravity's grip becomes absolute, severing communication with the outside universe.
+## See also
+- [Relativity](/wiki/relativity)
+- [Wormhole](/wiki/wormhole)
+- [Gravity](/wiki/gravity)
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