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Evection - Wikipedia
In astronomy, evection (Latin for "carrying away") is the largest inequality produced by the action of the Sun in the monthly revolution of the Moon around the ...
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EVECTION Definition & Meaning - Merriam-Webster
1. perturbation of the moon's motion in its orbit due to the attraction of the sun 2. in certain filamentous algae : displacement of the base of a new branch.
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What exactly was the Moon's "Evection Resonance"?
The direction of the major axis of the moon slowly rotates around the Earth. Now it takes about 8.85 years to make a complete 360-degree ...
astronomy.stackexchange.com
astronomy.stackexchange.com
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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The Evection Resonance in the Earth-Moon system: Analytical ...
Capture into evection excites the lunar eccentricity and can drain angular momentum from the Earth-Moon system, transferring it to Earth's heliocentric orbit.
ui.adsabs.harvard.edu
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EVECTION Definition & Meaning | Dictionary.com
Evection definition: a periodic irregularity in the moon's motion, caused by the attraction of the sun.. See examples of EVECTION used in a sentence.
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EVECTION definition in American English - Collins Dictionary
noun a periodical variation in the motion of the moon in its orbit, caused by the attraction of the sun.
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Word of the Day - evection | Dictionary.com
More about evection. Evection, “a periodic irregularity in the moon's motion,” comes from Latin ēvectiō (stem ēvectiōn-) “a going upwards, ...
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About the dynamics of the evection resonance
The evection resonance appears to be the outermost region of stability for prograde satellite orbiting a planet, the critical argument of the resonance ...
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evection, n. meanings, etymology and more | Oxford English Dictionary
The earliest known use of the noun evection is in the mid 1600s. OED's earliest evidence for evection is from 1656, in the writing of Thomas Blount, ...
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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.
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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
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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.
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