Moon's evection

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• Evection — (Latin for carrying away ), in astronomy, is the largest inequality produced by the action of the Sun in the monthly revolution of the Moon around the Earth.Evection causes the Moon s ecliptic longitude to vary by approximately 1.27 degrees, with …   Wikipedia

• Evection — E*vec tion [L. evectio a going up, fr. evehere to carry out; e out + vehere to carry: cf. F [ e]vection.] 1. The act of carrying up or away; exaltation. [Obs.] Bp. Pearson. [1913 Webster] 2. (Astron.) (a) An inequality of the moon s motion in its …   The Collaborative International Dictionary of English

• evection — [ē vek′shən, ivek′shən] n. [L evectio, a going up, carrying out < evectus, pp. of evehere < e , out, from + vehere, to carry: see WAY] a periodical variation in the motion of the moon in its orbit, caused by the attraction of the sun… …   English World dictionary

• evection — evectional, adj. /i vek sheuhn/, n. Astron. a periodic irregularity in the moon s motion, caused by the attraction of the sun. [1650 60; < L evection (s. of evectio) a going upwards, flight, equiv. to evect(us) (ptp. of evehere to carry forth,… …   Universalium

• evection — [ɪ vɛkʃ(ə)n] noun Astronomy regular variation in the eccentricity of the moon s orbit around the earth, caused mainly by the sun s attraction. Origin C17 (in the sense elevation, exaltation ): from L. evectio(n ), from evehere carry out or up …   English new terms dictionary

• evection — /əˈvɛkʃən/ (say uh vekshuhn), /i / (say ee ) noun a periodic inequality in the moon s motion caused by the attraction of the sun. {Latin ēvectio, from ēvehere carry forth or up} –evectional, adjective …  

• evection —   n. alteration in moon s orbit caused by solar attraction.    ♦ evectional, a …   Dictionary of difficult words

• evection — n. Astron. a perturbation of the moon s motion caused by the sun s attraction. Etymology: L evectio (as E , vehere vect carry) …   Useful english dictionary

• Orbit of the Moon — Not to be confused with Lunar orbit in the sense of a selenocentric orbit, that is, an orbit around the Moon The Moon completes its orbit around the Earth in approximately 27.3 days (a sidereal month). The Earth and Moon orbit about their… …   Wikipedia

• Variation (astronomy) — Variation in astronomy is used to refer to a perturbation of the orbit of a body, such as a planet or satellite.Specifically, in the case of the motion of the Moon around the Earth, the Variation is a type of perturbation caused by the action of… …   Wikipedia

• Tycho Brahe — This article is about the astronomer Tycho Brahe. For other uses, see Tycho Brahe (disambiguation). Tycho Ottesen Brahe Born 14 December 1546 Knutstorp Castle, Scania Died 24 October 1601 (age …   Wikipedia