- observer's latitude
- широта наблюдателя
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
observer — (ob sèr vé) v. a. 1° Se conformer à ce qui est prescrit par quelque loi, par quelque règle (premier sens, puisque le latin observare signifie garder autour). • J observerai, seigneur, ces avis importants, CORN. Nicom. III, 1. • Prends un… … Dictionnaire de la Langue Française d'Émile Littré
astronomical latitude — n. the angle between the direction of gravity at the observer s position and the plane of the celestial equator * * * … Universalium
astronomical latitude — n. the angle between the direction of gravity at the observer s position and the plane of the celestial equator … English World dictionary
Circumpolar star — The northern circumpolar stars revolving around the north celestial pole. Note that Polaris, the bright star near the center, is almost stationary. Polaris is circumpolar and can be seen at all times of the year. (The graphic shows how the… … Wikipedia
Meridian altitude — is an astronomical navigation method of calculating an observer s latitude. Contents 1 Principle 2 Methodology 3 See also 4 References … Wikipedia
Declination — For other uses, see Declination (disambiguation). In astronomy, declination (abbrev. dec or δ) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. Declination in astronomy is… … Wikipedia
Pytheas — of Massilia (Ancient Greek Πυθέας ὁ Μασσαλιώτης), 4th century BC, was a Greek geographer and explorer from the Greek colony Massilia (today Marseille, France). He made a voyage of exploration to northwestern Europe possibly no earlier than around … Wikipedia
Culmination — In astronomy, the culmination of a planet, star, constellation, etc. is the altitude (or elevation angle) reached when the object transits over an observer s meridian[citation needed]. During a sidereal day, an astronomical object will cross the… … Wikipedia
Daytime (astronomy) — Earth daylight 13:00 UTC On Earth, daytime is roughly the period on any given point of the planet s surface during which it experiences natural illumination from indirect or (especially) direct sunlight. Other planets that rotate in relation to a … Wikipedia
Planisphere — For the tetralogy of songs by Justice, see Justice discography. A plastic planisphere. A planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the… … 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