In astrophysics, an event horizon is a boundary beyond which events cannot affect an observer. Wolfgang Rindler coined the term in the 1950s. In 1784...

Event Horizon is a 1997 science fiction horror film directed by Paul W. S. Anderson and written by Philip Eisner. It stars Laurence Fishburne, Sam Neill...

The Event Horizon Telescope (EHT) is a telescope array consisting of a global network of radio telescopes. The EHT project combines data from several...

outside observer. Event horizon or Event Horizon may also refer to: Event Horizon Telescope, a type of astronomical interferometer Event Horizon (film), a 1997...

Event Horizon is the name of a large-scale public sculpture installation by the British artist Antony Gormley. First displayed in London in 2007, they...

spacetime to form a black hole. The boundary of no escape is called the event horizon. A black hole has a great effect on the fate and circumstances of an...

}(t)={\frac {c}{a(t)H(t)}}\,.} The particle horizon differs from the cosmic event horizon, in that the particle horizon represents the largest comoving distance...

Event horizon, a boundary in spacetime, typically surrounding a black hole, beyond which events cannot affect an exterior observer Extinction event,...

Beyond the Blue Event Horizon is a science fiction novel by the American writer Frederik Pohl, a sequel to his 1977 novel Gateway and the second book...

Apparent horizons are not invariant properties of spacetime, and in particular, they are distinct from event horizons. Within an apparent horizon, light...

flight of a fictional astronaut who, passing within a black hole's event horizon, is "stretched like spaghetti" by the gravitational gradient (difference...

series The Tudors (2010). Her credits include 101 Dalmatians (1996), Event Horizon (1997), The Patriot (2000), Return to Me (2000), Anonymous (2011), the...

the cosmological event horizon lies beyond the Hubble Horizon. In a universe with an increasing Hubble constant, the Hubble horizon will contract, and...

grossed over $1 billion worldwide. Other notable films of Anderson's are Event Horizon (1997), an initial critical and commercial disappointment that found...

vector fields, gives rise to a Killing horizon that coincides with the event horizon. Associated with a Killing horizon is a geometrical quantity known as...

The particle horizon (also called the cosmological horizon, the comoving horizon (in Scott Dodelson's text), or the cosmic light horizon) is the maximum...

quasars. Two supermassive black holes have been directly imaged by the Event Horizon Telescope: the black hole in the giant elliptical galaxy Messier 87...

of the accretion disk around the horizon of Sagittarius A*, confirming it to be a black hole, using the Event Horizon Telescope, a world-wide network of...

(Event Horizon Telescope Collaboration) (2021). "First M87 Event Horizon Telescope results. VIII. Magnetic field structure near the event horizon". The...

outside a black hole's event horizon. This is counterintuitive because once ordinary electromagnetic radiation is inside the event horizon, it cannot escape...

hole, a part of the metric becomes infinite at the event horizon. However, spacetime at the event horizon is regular. The regularity becomes evident when...

hole is characterized by a surrounding spherical boundary, called the event horizon, which is situated at the Schwarzschild radius ( r s {\displaystyle...

white hole's event horizon (though in the case of the maximally extended Schwarzschild solution, discussed below, the white hole event horizon in the past...

Event Horizons BBS was a popular and perhaps the most financially successful Bulletin Board System (BBS). It was founded in 1983 by Jim Maxey, a self-taught...

the hole might be entirely contained in surface fluctuations of the event horizon. The holographic principle resolves the black hole information paradox...

Einstein's field equations that corresponds to the radius defining the event horizon of a Schwarzschild black hole. It is a characteristic radius associated...

Horizon: An American Saga is a film series consisting of four planned American epic westerns directed, co-written, and produced by, as well as starring...

Thrillville: Off the Rails is a theme park simulation video game developed by Frontier Developments and published by LucasArts. It is the sequel to the...

rotating uncharged axially symmetric black hole with a quasispherical event horizon. The Kerr metric is an exact solution of the Einstein field equations...

relativity: Absolute horizon, a boundary in spacetime in general relativity inside of which events cannot affect an external observer Event horizon, a boundary...