apparent horizon

apparent horizon
видимый горизонт

Англо-русский словарь по ядерным испытаниям и горному делу. 2013.

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  • Apparent horizon — Horizon Ho*ri zon, n. [F., fr. L. horizon, fr. Gr. ? (sc. ?) the bounding line, horizon, fr. ? to bound, fr. ? boundary, limit.] 1. The line which bounds that part of the earth s surface visible to a spectator from a given point; the apparent… …   The Collaborative International Dictionary of English

  • 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. [1913 Webster] The moon . . . apparent queen. Milton.… …   The Collaborative International Dictionary of English

  • Apparent horizon — An apparent horizon is a surface defined in general relativity as the boundary between light rays which are directed outwards and moving outwards, and those which are directed outwards but moving inwards.Apparent horizons are not invariant… …   Wikipedia

  • apparent horizon — The visible line of demarcation between land/sea and sky …   Military dictionary

  • Horizon — Ho*ri zon, n. [F., fr. L. horizon, fr. Gr. ? (sc. ?) the bounding line, horizon, fr. ? to bound, fr. ? boundary, limit.] 1. The line which bounds that part of the earth s surface visible to a spectator from a given point; the apparent junction of …   The Collaborative International Dictionary of English

  • 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. [1913 Webster] The moon . . . apparent queen. Milton. [1913… …   The Collaborative International Dictionary of English

  • Apparent time — 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. [1913 Webster] The moon . . . apparent queen. Milton.… …   The Collaborative International Dictionary of English

  • Horizon (disambiguation) — Horizon is the line at which the sky and the earth s surface appear to meet.Horizon or horizons may also refer to:Business* Horizon Global, a corporation specializing in media compression technology, peer to peer video telephony, and video on… …   Wikipedia

  • Horizon (general relativity) — There are several types of spacetime horizons that play a role in Einstein s theory of general relativity:* Absolute horizon, a boundary in spacetime in general relativity inside of which events cannot affect an external observer * Apparent… …   Wikipedia

  • apparent — apparent, ente [ aparɑ̃, ɑ̃t ] adj. • aparant 1155; p. prés. de apparoir 1 ♦ Qui apparaît, se montre clairement aux yeux. ⇒ ostensible, visible. Porter un insigne d une manière apparente. Grossesse peu apparente. C est très apparent (cf. Cela se… …   Encyclopédie Universelle

  • horizon — [ ɔrizɔ̃ ] n. m. • orizon v. 1360; orizonte XIIIe; lat. horizon, mot gr., de horizein « borner » 1 ♦ Limite circulaire de la vue, pour un observateur qui en est le centre. La plaine s étend jusqu à l horizon. Le soleil descend sur l horizon,… …   Encyclopédie Universelle

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