celestial sphere
1Celestial 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… …
2celestial sphere — n. an imaginary sphere of infinite extent on which all celestial objects appear to lie: the observer is always at its center …
3celestial sphere — An imaginary sphere of infinite radius, centered at the center of the earth, on which the apparent motion of celestial bodies takes place. Because all stars are so far from an earthbound observer that they can be located solely by their direction …
4celestial 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 …
5celestial 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 …
6celestial 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… …
7celestial 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 …
8celestial sphere — An imaginary sphere of infinite radius concentric with the Earth, on which all celestial bodies except the Earth are imagined to be projected …
9celestial 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 …
10celestial 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 …
