**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 coordinates** — Set of numbers used to pinpoint the position in the sky (see celestial sphere) of a celestial object. Coordinate systems used include the horizon system (altitude and azimuth), galactic coordinates, the ecliptic system (measured relative to the… … 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

**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