Phrase Hound found 27 phrases and 3 compound words that contain horizons. The most common are listed below. Open horizons in the live search for definitions, filters, and the full list.
Phrases 27
- event horizonsplural of event horizon: The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light.
- isolated horizonsplural of isolated horizon: In the context of black holes, a null hypersurface (a surface where light rays travel) that is in equilibrium with its surrounding environment.
- cosmological horizonsplural of cosmological horizon: The distance from an observer in a universe beyond which it is impossible for the observer to see, as the light (or other luminal particles) cannot have travelled that distance over the current age of that …
- broaden someone's horizonsTo increase someone's interests, skills, or experiences beyond their current range.
- absolute horizonsplural of absolute horizon: A boundary in spacetime, defined with respect to the external universe, inside which events cannot affect an external observer.
- apparent horizonsplural of apparent horizon: A surface that is the boundary between lightrays that are directed outwards and moving outwards and those directed outward but moving inward.
- artificial horizonsplural of artificial horizon: An instrument that displays the pitch and roll of an aircraft in flight by comparing its attitude to a gyroscopically-maintained indication of the flat horizon line.
- Killing horizonsplural of Killing horizon: A geometrical construct used in general relativity and its generalizations to delineate spacetime boundaries without reference to the dynamic Einstein field equations.
- marker horizonsplural of marker horizon: A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.
- particle horizonsplural of particle horizon: A cosmological horizon.
- radar horizonsplural of radar horizon: A critical area of performance for aircraft detection systems, defined by the distance at which the radar beam rises enough above the Earth's surface to make detection of a target at low level impossible.
- rational horizonsplural of rational horizon: celestial horizon
- time horizonsplural of time horizon: A fixed point of time in the future where certain processes will be evaluated or assumed to end.
- archaeological horizonsplural of archaeological horizon: A common set of artefacts that identifies a culture and is found disseminated widely (usually over a number of sites, but sometimes widely over one site) but restricted to a single stratum; a layer or …
- dynamical horizonsplural of dynamical horizon: A mathematical concept in general relativity that describes a boundary in spacetime where the expansion of one null direction is zero and the expansion of the other null direction is negative.
- Hubble horizonsplural of Hubble horizon: The distance from an observer in a universe beyond which it is impossible for the observer to see, as the light (or other luminal particles) cannot have travelled that distance over the current age of that …
- cosmic event horizonsplural of cosmic event horizon: The cosmological horizon; the edge of the observable universe.
- cosmic light horizonsplural of cosmic light horizon: The distance from an observer in a universe beyond which it is impossible for the observer to see, as the light (or other luminal particles) cannot have travelled that distance over the current age of that …
- moral event horizonsplural of moral event horizon: A pivotal moment in a story when a character commits an act so heinous that it renders them irredeemably evil in the eyes of the audience and other characters.
- quicksilver horizonsplural of quicksilver horizon: A type of artificial horizon made from mercury.
- archeological horizonsplural of archeological horizon: A common set of artefacts that identifies a culture and is found disseminated widely (usually over a number of sites, but sometimes widely over one site) but restricted to a single stratum; a layer or …
- Cauchy horizonsplural of Cauchy horizon: A lightlike boundary of the domain of validity of a Cauchy problem, in which one side of the horizon contains closed space-like geodesics and the other side contains closed timelike geodesics.
- cosmological event horizonsplural of cosmological event horizon: The distance from an observer in a universe beyond which it is impossible for the observer to see, as the light (or other luminal particles) cannot have travelled that distance over the current age of …
- comoving horizonsplural of comoving horizon: The distance from an observer in a universe beyond which it is impossible for the observer to see, as the light (or other luminal particles) cannot have travelled that distance over the current age of that …
- broadened someone's horizonssimple past and past participle of broaden someone's horizons
Compound words 3
- antihorizonsplural of antihorizon: The opposite of an event horizon, allowing escape but not entry.
- chronohorizonsplural of chronohorizon: A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.
- subhorizonsplural of subhorizon: Below a horizon.