celestial+equator
21equator — Synonyms and related words: Antarctic Zone, Arctic Circle, Arctic Zone, Frigid Zones, Torrid Zone, Tropic of Cancer, Tropic of Capricorn, Variable Zones, anklet, aphelion, apogee, armlet, astronomical longitude, autumnal equinox, band, belt,… …
22equator system of coordinates — the system of celestial coordinates based on the celestial equator, its coordinates being declination and right ascension …
23celestial latitude — The angular distance on the celestial sphere measured north or south of the ecliptic along the great circle passing through the poles of the ecliptic and the celestial object. It is measured in degrees along the circle of latitude. Today, this… …
24celestial — adj. 1 heavenly; divinely good or beautiful; sublime. 2 a of the sky; of the part of the sky commonly observed in astronomy etc. b of heavenly bodies. Phrases and idioms: celestial equator the great circle of the sky in the plane perpendicular to …
25celestial latitude — noun (astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with right ascension to specify positions on the celestial sphere • Syn: ↑declination, ↑dec • Topics: ↑astronomy …
26equator — n. 1. Equinoctial, equinoctial line, celestial equator. 2. Terrestrial equator, the Line …
27equator — e•qua•tor [[t]ɪˈkweɪ tər[/t]] n. 1) geg the great circle on a sphere or heavenly body whose plane is perpendicular to the axis and everywhere equidistant from the poles 2) geo the great circle of the earth that is equidistant from the North Pole… …
28celestial longitude — noun (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours… …
29equator — [ɪ kweɪtə] noun a line notionally drawn on the earth equidistant from the poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°. ↘short for celestial equator. Origin ME: from med. L.… …
30equator — n. 1 an imaginary line round the earth or other body, equidistant from the poles. 2 Astron. = celestial equator. Etymology: ME f. OF equateur or med.L aequator (as EQUATION) …
