celestial fix

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• celestial fix — A fix obtained by sighting two or more stars of known direction, using a sextant or an astro compass. Also called an astro fix …   Aviation dictionary

• celestial — celestially, adv. celestialness, celestiality /seuh les chee al i tee/, n. /seuh les cheuhl/, adj. 1. pertaining to the sky or visible heaven. 2. pertaining to the spiritual or invisible heaven; heavenly; divine: celestial bliss. 3. of or… …   Universalium

• 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 mechanics — is the branch of astrophysics that deals with the motions of celestial objects. The field applies principles of physics, historically classical mechanics, to astronomical objects such as stars and planets to produce ephemeris data. Orbital… …   Wikipedia

• fix — Synonyms and related words: KO, acclimate, acclimatize, accommodate, accord, accustom, adapt, adjust, adjust to, affix, afford proof of, aim, aim at, align, allocate, allot, alter, amend, anchor, annex, antitoxin, apportion, approach, arrange,… …   Moby Thesaurus

• fix — i. A geographical position determined by visual reference to the surface, by reference to one or more radio navigational aids, by celestial plotting, or by other navigational plotting, including obtaining it by intersecting two or more position… …   Aviation dictionary

• 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

• astro fix — A fix obtained by sighting two or more stars of known direction using a sextant or an astro compass. Also called a celestial fix …   Aviation dictionary

• sandwich fix — A fixing method that dispenses with the transfer of position lines, and so facilitates plotting, is a sandwich fix. The observed altitude of a body varies linearly with time, except near or during meridian passage time. Hence, if two sights are… …   Aviation dictionary

• noon fix — A positional fix obtained from any celestial body (generally the sun) that is close to the observer’s zenith. Such a fix generally is obtained at a time when the observed altitude of a body is greatest, as it is then practical to plot the line of …   Aviation dictionary

• Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …   Wikipedia