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evection

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evection
evection (ɪˈvɛkʃən) [ad. L. ēvectiōn-em, n. of action f. ēvehĕre to carry out, f. ē- out + vehĕre to carry.] † 1. A lifting up; elevation, exaltation (in quot. fig.). Obs. rare—1.1656 in Blount Glossogr. 1659 Pearson Creed (1839) 359 [Joseph's] evection to the power of Egypt next to Pharaoh. 2. Astr... Oxford English Dictionary
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Evection
The evection, formerly called the moon's second anomaly, was approximately known in ancient times, and its discovery is attributed to Ptolemy. Evection causes the Moon's ecliptic longitude to vary by approximately ± 1.274° (degrees), with a period of about 31.8 days. wikipedia.org
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evector
eˈvector Math. [Agent-n. from L. ēvehĕre (see evection).] An operator formed by substituting the differential operators d/da0, d/da1, d/da2, etc. for the coefficients a0, na1, ½n(n-1) a2, etc. of a binary quantic. Oxford English Dictionary
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Variation (astronomy)
They took some account of the two largest irregularities in the Moon's motion, i.e. those now known as the equation of the center and the evection, see See also Evection References Bibliography Brown, E.W. An Introductory Treatise on the Lunar Theory. wikipedia.org
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evectional
eˈvectional, a. [f. prec. + -al1.] Relating or belonging to the evection. Oxford English Dictionary
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Laghumānasa
It also the earliest known Indian text to outline the lunar correction comprising evection (commentator Yallaya attributes this correction to the Vateshvara-siddhanta of Kottachenna of Andhra Graha-ganita-bhaskara(1613 CE) by Tamma Yajva of Andhra Karana-kamala-martanda of Dashabala; adopts Mañjula's formula for evection wikipedia.org
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Lunar theory
For further information see also separate article Evection. Evection The evection (or its approximation) was known to Ptolemy, but its name and knowledge of its cause dates from the 17th century. wikipedia.org
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inequality
inequality (ɪnɪˈkwɒlɪtɪ) [a. OF. inequalité, 14th c. in Littré (= mod.F. inégalité), ad. med.L. inæquālitās, f. inæquālis inequal.] The state or condition of being unequal; want of equality. 1. Want of equality between persons or things; disparity: a. in respect of magnitude, quantity, number, inten... Oxford English Dictionary
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出差 (天文学)
现在的这个名称（evection）是17世纪才有的，它是为了他自己的月球运动理论体系而选定的名称。 由出差导致的月球黄经变化量约为±1.274°（度），周期约为31.8天。 wikipedia.org
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Irregular moon
The effect can be explained by so-called evection resonance. wikipedia.org
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variation
variation (vɛərɪˈeɪʃən) Forms: 5 varyacyoune, -cio(u)n, 6 -cyon; 5 variacioun, 5–6 -cion, 6 -cyon, -tioun, 6– variation. [a. OF. variation, -acion (F. variation, = Sp. variacion, Pg. varia{cced}ão, It. variazione), a. L. variātiōn-, variātio, n. of action f. variāre to vary.] I. † 1. Difference, div... Oxford English Dictionary
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Orbit of the Moon
Ptolemy described lunar motion by using a well-defined geometric model of epicycles and evection. wikipedia.org
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月球运动论
出差 托勒密已经知道了出差（lunar evection）（或者其近似形式），不过它的名称和起源要到17世纪才为人所知，其名称“evection"是17世纪法国天文学家取的。出差对月球经度的作用周期看起来很奇怪，是31.8天。 wikipedia.org
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Jumping-Jupiter scenario
encounters, the satellites with inclinations between 60° and 130° are lost due to the Kozai resonance and the more distant prograde satellites are lost to the evection wikipedia.org
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出差
【出差】chūchāi[evection] 由于太阳引力引起的月球轨道运动的摄动 新华字典
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