- declinations of star
- • звездно склонение
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Star chart — Star map redirects here. For other uses, see Star map (disambiguation). A celestial map from the 17th century, by the Dutch cartographer Frederik de Wit A star chart is a map of the night sky. Astronomers divide these into grids to use them more… … Wikipedia
Star catalogue — An illustration of the Perseus constellation (after Perseus from Greek mythology) from the star catalogue published by the German astronomer Johannes Hevelius in 1690 A star catalogue, or star catalog, is an astronomical catalogue that lists… … Wikipedia
Meridian circle — Groombridge transit circle of 1806 The meridian circle, transit circle, or transit telescope is an instrument for observing the time of stars passing the meridian, at the same time measuring its angular distance from the zenith. The idea of… … 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
Lunar node — Dragon s Tail redirects here. For the Dragon s Tail stretch of road in North Carolina, see Deals Gap, North Carolina. The lunar nodes are the points where the moon s path in the sky crosses the ecliptic, the sun s path in the sky The lunar nodes… … Wikipedia
Archaeoastronomy — (also spelled archeoastronomy) is the study of how peoples in the past have understood the phenomena in the sky, how they used phenomena in the sky and what role the sky played in their cultures. [Sinclair 2006:13] Clive Ruggles argues it… … Wikipedia
Edward Wright (mathematician) — For the 20th century mathematician, see Edward Maitland Wright. Edward Wright Title page of the first edition of Wright s Certaine Errors in Navigation (1599) … Wikipedia
astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… … Universalium
Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… … Wikipedia
List of astronomical catalogues — This page is a list of astronomical catalogues organised by catalogue identifier.0 9* 0ES Einstein Slew Survey, version 0See p. 20, X ray sources in SIMBAD, J. M. Hameury, C. Motch, and M. Pakull, Bull. Inf. Centre Données Stellaires 47, pp.… … Wikipedia
Celestial pole — The north and south celestial poles and their relation to axis of rotation, plane of orbit and axial tilt … Wikipedia