declination axis

См. также в других словарях:

• declination axis — deklinacijos ašis statusas T sritis fizika atitikmenys: angl. declination axis vok. Deklinationsachse, f rus. ось отклонения, f pranc. axe de déclinaison, m …   Fizikos terminų žodynas

• declination axis — noun : the axis of rotation that is at right angles to the polar axis of an equatorial mounting and that permits pointing the telescope to celestial objects of different declinations …   Useful english dictionary

• declination circle — noun : one of the setting circles of an equatorial mounting fastened to the declination axis to indicate the declination to which the telescope is pointing …   Useful english dictionary

• 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

• declination — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… …   The Collaborative International Dictionary of English

• declination — dec·li·na·tion (dek″lĭ naґshən) [L. declinare to decline] deviation from a normally vertical position, as rotation of the eye about its anteroposterior axis so that its vertical meridian lies to the temporal (positive d.) or to… …   Medical dictionary

• Magnetic declination — Example of magnetic declination showing a compass needle with a positive (or easterly ) variation from geographic north. Magnetic declination is the angle between magnetic north (the direction the north end of a compass needle points) and true… …   Wikipedia

• Circle of declination — Circle Cir cle (s[ e]r k l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri kos, ki rkos, circle, ring. Cf. {Circus}, {Circum }.] [1913 Webster] 1. A plane figure, bounded by a single… …   The Collaborative International Dictionary of English

• Solar Declination —   The apparent angle of the sun north or south of the eath s equatorial plane. The earth s rotation on its axis causes a daily change in the declination …   Energy terms

• Solar declination —   The apparent angle of the sun north or south of the earth s equatorial plane. The earth s rotation on its axis causes a daily change in the declination.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium