bn:02293259n
Noun Concept
Categories: Physical phenomena, General relativity, All Wikipedia articles written in American English, Articles with short description, Astrophysics
EN
event horizon  cosmic event horizon  event horizons  horizon
EN
In astrophysics, an event horizon is a boundary beyond which events cannot affect an observer. Wikipedia
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EN
In astrophysics, an event horizon is a boundary beyond which events cannot affect an observer. Wikipedia
A boundary in spacetime, typically surrounding a black hole, beyond which events cannot affect an exterior observer Wikipedia Disambiguation
Boundary around a black hole inside which events cannot effect an outside observer. Wikipedia Disambiguation
A boundary in spacetime beyond which events cannot affect the observer Wikipedia Disambiguation
The point of no return; boundary of a region of spacetime from which one cannot escape once entered Wikidata