# great circle distance

great circle distance
расстояние по ортодромии

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

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• Great-circle distance — The great circle distance is the shortest distance between any two points on the surface of a sphere measured along a path on the surface of the sphere (as opposed to going through the sphere s interior). Because spherical geometry is rather… …   Wikipedia

• Great-circle navigation — is the practice of navigating a vessel (such as a ship or aircraft) along a track that follows a great circle. A great circle track is the shortest distance between two points on the surface of the earth. MethodsIn order to construct a great… …   Wikipedia

• Great circle — For fictional interstellar organization called Great Circle, see Andromeda (novel). A great circle divides the sphere in two equal hemispheres A great circle, also known as a Riemannian circle, of a sphere is the intersection of the sphere and a… …   Wikipedia

• Great circle of a sphere — Great Great (gr[=a]t), a. [Compar. {Greater}; superl. {Greatest}.] [OE. gret, great, AS. gre[ a]t; akin to OS. & LG. gr[=o]t, D. groot, OHG. gr[=o]z, G. gross. Cf. {Groat} the coin.] 1. Large in space; of much size; big; immense; enormous;… …   The Collaborative International Dictionary of English

• Great circle sailing — Great Great (gr[=a]t), a. [Compar. {Greater}; superl. {Greatest}.] [OE. gret, great, AS. gre[ a]t; akin to OS. & LG. gr[=o]t, D. groot, OHG. gr[=o]z, G. gross. Cf. {Groat} the coin.] 1. Large in space; of much size; big; immense; enormous;… …   The Collaborative International Dictionary of English

• great circle — noun a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center • Hypernyms: ↑line • Hyponyms: ↑celestial equator, ↑equinoctial circle, ↑equinoctial line, ↑equinoctial, ↑ecliptic, ↑ …   Useful english dictionary

• great circle — noun a) A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere. Wherever a navigator may be, it certainly would be to his advantage to be able to find the great circle, or… …   Wiktionary

• great circle — A circle on the surface of the sphere (earth) whose center and radii are those of the sphere itself. Only one great circle may be drawn through two places that are not diametrically opposite on the surface of a sphere. The shortest distance… …   Aviation dictionary

• great circle route — ▪ navigation       the shortest course between two points on the surface of a sphere. It lies in a plane that intersects the sphere s centre and was known by mathematicians before the time of Columbus. Until the 19th century ships generally… …   Universalium

• great circle route — noun A route, taken by intercontinental aircraft for instance, which is the shortest distance between two destinations on the surface of the Earth; an arc of a great circle. See Also: great circle …   Wiktionary

• great-circle course — The route between two points on the earth’s surface measured along the shortest segment of the circumference of the great circle on which the two points are located. A great circle establishes the shortest distance over the surface of the earth… …   Aviation dictionary

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