celestial line of position
- A line of position determined by observing a celestial body.
Aviation dictionary. 2014.
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line of position — 1. : line of site 2. : a locus of all possible positions of a ship for the conditions given see sumner line 3. : a line along which an aircraft is known (as by ground reference or celestial fix) to be flying and which when crossed with another… … Useful english dictionary
Celestial navigation — Celestial navigation, also known as astronavigation, is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses… … Wikipedia
celestial navigation — navigation by means of observations made of the apparent position of heavenly bodies. Also called astronavigation, celo navigation. [1935 40] * * * use of the observed positions of celestial bodies to determine a navigator s position. At… … Universalium
position — Synonyms and related words: Anschauung, Parthian shot, a priori principle, abode, address, affect, affectivity, affirmance, affirmation, allegation, allocate, angle, angle of vision, announcement, annunciation, answer, apostrophe, appointment,… … Moby Thesaurus
celestial navigation — Synonyms and related words: VAR, aspect, astronavigation, attitude, automatic electronic navigation, azimuth, bearing, bearings, chronometer, coastwise navigation, consolan, dead reckoning, electronic navigation, exposure, fix, frontage, lay, lie … Moby Thesaurus
Position angle — Position angle, usually abbreviated PA, is a measurement derived from observing visual binary stars. It is defined as the angular offset in degrees of the secondary star to the primary, relative to the north celestial pole. As the example… … Wikipedia
line — line1 [līn] n. [ME merging OE, a cord, with OFr ligne (both < L linea, lit., linen thread, n. use of fem. of lineus, of flax < linum, flax)] 1. a) a cord, rope, wire, string, or the like b) a long, fine, strong cord with a hook, sinker,… … English World dictionary
Position fixing — is the branch of navigation concerned with the use of a variety of visual and electronic methods to determine the position of a ship, aircraft or person on the surface of the Earth.These techniques include:* Position lines and position circles *… … Wikipedia
celestial mechanics — the branch of astronomy that deals with the application of the laws of dynamics and Newton s law of gravitation to the motions of heavenly bodies. [1815 25] * * * Branch of astronomy that deals with the mathematical theory of the motions of… … Universalium
Celestial pole — The north and south celestial poles and their relation to axis of rotation, plane of orbit and axial tilt … Wikipedia