Definition of Apparent horizon. Meaning of Apparent horizon. Synonyms of Apparent horizon

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Definition of Apparent horizon

Apparent horizon
Apparent Ap*par"ent, a. [F. apparent, L. apparens, -entis, p. pr. of apparere. See Appear.] 1. Capable of being seen, or easily seen; open to view; visible to the eye; within sight or view. The moon . . . apparent queen. --Milton. 2. Clear or manifest to the understanding; plain; evident; obvious; known; palpable; indubitable. It is apparent foul play. --Shak. 3. Appearing to the eye or mind (distinguished from, but not necessarily opposed to, true or real); seeming; as the apparent motion or diameter of the sun. To live on terms of civility, and even of apparent friendship. --Macaulay. What Berkeley calls visible magnitude was by astronomers called apparent magnitude. --Reid. Apparent horizon, the circle which in a level plain bounds our view, and is formed by the apparent meeting of the earth and heavens, as distinguished from the rational horizon. Apparent time. See Time. Heir apparent (Law), one whose to an estate is indefeasible if he survives the ancestor; -- in distinction from presumptive heir. See Presumptive. Syn: Visible; distinct; plain; obvious; clear; certain; evident; manifest; indubitable; notorious.

Meaning of Apparent horizon from wikipedia

- In general relativity, an apparent horizon is a surface that is the boundary between light rays that are directed outwards and moving outwards, and those...
- suggested an apparent horizon be used instead of event horizon, saying "gravitational collapse produces apparent horizons but no event horizons" and eventually...
- The horizon or skyline is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that...
- absolute horizons and apparent horizons; the notion of a horizon in general relativity is subtle, and depends on fine distinctions. An absolute horizon is only...
- century. An apparent distance theory evidently was first clearly described by Cleomedes around 200 A.D. The theory proposes that the horizon Moon looks...
- Apparent magnitude (m) is a measure of the brightness of a star or other astronomical object as seen from the Earth's location. An object's apparent magnitude...
- on a perfectly smooth Earth without an atmosphere. In practice, the apparent horizon has a slight negative altitude due to the curvature of Earth, the value...
- Cryic horizon Duric horizon Ferralic horizon Ferric horizon Folic horizon Fragic horizon Fulvic horizon Gypsic horizon Histic horizon Hortic horizon Hydragric...
- Log Horizon (****anese: ログ・ホライズン, Hepburn: Rogu Horaizun) is a ****anese novel series written by Mamare Touno and illustrated by Kazuhiro Hara. It began...
- The horizon is the line at which the sky and the Earth's surface appear to meet. Horizon or horizon may also refer to: Horizon (novel), a 2009 fantasy...
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