Celestial sphere — [ celestial equator.] In astronomy and navigation, the celestial sphere is an imaginary rotating sphere of gigantic radius , concentric and coaxial with the Earth. All objects in the sky can be thought of as lying upon the sphere. Projected from… … Wikipedia
celestial sphere — n. an imaginary sphere of infinite extent on which all celestial objects appear to lie: the observer is always at its center … English World dictionary
celestial sphere — dangaus sfera statusas T sritis fizika atitikmenys: angl. celestial sphere vok. Himmelskugel, f; Himmelssphäre, f rus. небесная сфера, f; небосвод, m pranc. sphère céleste, f … Fizikos terminų žodynas
celestial sphere — dangaus sfera statusas T sritis Gynyba apibrėžtis Įsivaizduojama neriboto spindulio sfera, koncentriška su Žemės rutuliu, į kurią projektuojami visi dangaus kūnai, išskyrus Žemę. atitikmenys: angl. celestial sphere pranc. sphère céleste … NATO terminų aiškinamasis žodynas
celestial sphere — the imaginary spherical shell formed by the sky, usually represented as an infinite sphere, the center of which is a given observer s position. [1875 80] * * * Apparent surface of the heavens, on which the stars seem to be fixed. For the purpose… … Universalium
celestial sphere — noun the apparent surface of the imaginary sphere on which celestial bodies appear to be projected • Syn: ↑sphere, ↑empyrean, ↑firmament, ↑heavens, ↑vault of heaven, ↑welkin • Derivationally related forms: ↑firmamental … Useful english dictionary
celestial sphere — An imaginary sphere of infinite radius concentric with the Earth, on which all celestial bodies except the Earth are imagined to be projected … Military dictionary
celestial sphere — noun Date: 1829 an imaginary sphere of infinite radius against which the celestial bodies appear to be projected and of which the apparent dome of the visible sky forms half … New Collegiate Dictionary
celestial sphere — noun An abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere. Syn: empyrean, firmament … Wiktionary
celestial sphere — noun an imaginary sphere of which the observer is the centre and on which all celestial objects are considered to lie … English new terms dictionary