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Universalium. 2010.
celestial coordinates — Two coordinates on the surface of the celestial sphere used to determine the position of a celestial body. Two sets of celestial coordinates are in common use: the equinoctial system, in which the coordinates are a declination and an hour circle … Aviation dictionary
celestial coordinates — dangaus koordinatės statusas T sritis fizika atitikmenys: angl. celestial coordinates vok. Himmelskoordinaten, f rus. небесные координаты, f pranc. coordonnées célestes, f … Fizikos terminų žodynas
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
Equinox (celestial coordinates) — In astronomy, equinox is a moment in time at which the vernal point, celestial equator, and other such elements are taken to be used in the definition of a celestial coordinate system. The position at other equinoxes can be computed by taking… … 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
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
Coordinates (mathematics) — Coordinates are numbers which describe the location of points in a plane or in space. For example, the height above sea level is a coordinate which is useful for describing points near the surface of the earth. A coordinate system, in a plane or… … Wikipedia
Celestial coordinate system — For other uses of Celestial , see Celestial (disambiguation). Orientation of Astronomical Coordinates Orientation of the galactic, ecliptic and equatorial coordinate systems, projected on the celestial sphere, showing the galactic equator (black) … 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 coordinate — noun : a member of any system of coordinates used for locating a point on the celestial sphere compare ecliptic coordinate, equator system of coordinate, galactic coordinate, horizon coordinate … Useful english dictionary
