| 单词 | right descension |
| 释义 | > as lemmasright descension right descension n. Astronomy and Astrology the angular distance of an object, measured along the celestial equator, from the point on the equator which sets with the object in a right sphere; cf. right ascension n. ΚΠ 1594 T. Blundeville Exercises ii. i. xxix. f. 161v I will proceed to the ascention and descention of the starres both right, meane, and oblique.] 1658 Sir T. Browne Hydriotaphia: Urne-buriall v. 77 Our longest Sunne sets at right descensions. 1702 V. Mandey tr. J. J. Hainlin Synopsis Mathematica: Astron. iii. 458 To find the right descension of any Arch of the Ecliptick. 1850 E. Bruce & J. Bruce Introd. Geogr. & Astron. (ed. 11) 257 Right descension, oblique descension, and descensional difference, have the same reference to the setting of the sun..as the above terms have to rising. 1906 A. Leo Progressed Horoscope xiii. 221 Right Descension is opposed to Right Ascension; it is, in short, the opposite degree of the equinoctial. 2007 M. V. Zombeck Handbk. Space Astron. & Astrophysics (ed. 3) ii. 153 Galactic-equatorial (celestial) systems... α = right descension (1950.0), δ = declination (1950.0). < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。