Event horizon (disambiguation)
# Event horizon (disambiguation)

An event horizon is a boundary around a black hole inside which events cannot affect an outside observer.

Event horizon or Event Horizon may also refer to:

* Event Horizon Telescope, a type of astronomical interferometer
* Event Horizon (film), a 1997 science fiction/horror film
* Event Horizon (sculpture), a 2007 site installation by Antony Gormley
* Event Horizon, a fictional company in the novels of the Greg Mandel trilogy by English science fiction writer Peter F. Hamilton
* Event Horizon (album), a 2012 album by I Am I
* Event Horizons BBS, a bulletin board system that ran from 1983 to 1996
* Event Horizon Software, the original name of American computer game developer DreamForge Intertainment
* "Event Horizon" (Supergirl), an episode of Supergirl
* "the event horizon", 2019 poem by Simon Armitage to commemorate opening of Halle St Peter's extension
