- celestial hour circle
- часовой круг светила
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
hour circle — n. Astron. any great circle of the celestial sphere which passes through the celestial poles and is therefore perpendicular to the celestial equator … English World dictionary
hour-circle — hourˈ circle noun (astronomy) 1. A great circle passing through the celestial poles 2. The equivalent of a meridian 3. The circle of an equatorial which shows the right ascension • • • Main Entry: ↑hour … Useful english dictionary
hour circle — Astron. a great circle on the celestial sphere passing through the celestial poles and containing a point on the celestial sphere, as a star or the vernal equinox. Also called circle of declination. [1665 75] * * * ▪ astronomy in astronomy … Universalium
hour circle — noun a great circle on the celestial sphere that passes through both celestial poles • Hypernyms: ↑great circle * * * noun 1. : a circle of the celestial sphere passing through the two poles 2. : the circle upon an equatorial telescope mounted… … Useful english dictionary
hour circle — hour′ cir cle n. astron. a great circle on the celestial sphere passing through the celestial poles and containing a point on the celestial sphere, as a star or the vernal equinox • Etymology: 1665–75 … From formal English to slang
hour circle — Any great circle joining the celestial poles and passing through a point on the celestial sphere. All celestial bodies are positioned on particular hour circles. Unlike celestial meridians, which remain fixed with respect to the earth, hour… … Aviation dictionary
hour circle — noun Date: 1690 a circle on the celestial sphere that passes through both celestial poles … New Collegiate Dictionary
hour circle — /ˈaʊə sɜkəl/ (say owuh serkuhl) noun any great circle in the celestial sphere passing through the celestial poles …
hour circle — (Astronomy) great circle that passes through both poles of the celestial sphere … English contemporary dictionary
hour angle — n. Astron. the angle formed at the pole, or its arc on the celestial equator, between the hour circle of a celestial object and the observer s celestial meridian measured in hours, minutes, etc.: it represents the elapsed time since the object… … English World dictionary
hour angle — hour′ an gle n. astron. the angle, measured westward through 360°, between the celestial meridian of an observer and the hour circle of a celestial body • Etymology: 1830–40 … From formal English to slang