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, an array of radiotelescopes that form an astronomical interferometer
One type of geological horizon
Event Horizon Software, the original name of American computer game developer DreamForge Intertainment
Event Horizons BBS, a bulletin board system that ran from 1983 to 1996

Art and media

Event Horizon, a fictional company in the novels of the Greg Mandel trilogy (1993–1995) by English science fiction writer Peter F. Hamilton
Event Horizon (film), a 1997 science fiction horror film
Event Horizon (album), a 2012 album by I Am I
"Event Horizon" (Supergirl), a 2019 episode of Supergirl
Event Horizon, the lead single from the 2021 album End Theory by Younha (in Korean)
"the event horizon", a 2019 poem by Simon Armitage to commemorate opening of Halle St Peter's extension
Event Horizon (sculpture), a 2007 site installation by Antony Gormley