"niruhâ-ye nâgerâneši" (#)
Fr.: "forces non-gravitationnelles"
The forces of jets from a comet's nucleus that can cause a rocket-like effect and alter a comet's direction of motion slightly.
Having an unknown or unacknowledged name. → anonymous object.
L. annymus, from Gk. annumos "nameless," from → an- "without" + onoma, onuma "name". Compare with L. nomen, Skt. nama, Av. nama, Mod. Pers. nâm, PIE *nomen "name".
Anâm, from Persian → a-, an- "without" + nâm "name," as above. Binâm, from bi- "without" + nâm.
barâxt-e anâm, ~ binâm
Fr.: objet anonyme
An → astronomical object which has not been catalogued.
Fr.: phénomène Be
The episodic occurrence of abrupt → mass loss in → Be stars resulting in → Balmer lines in emission and → infrared excess. The Be phenomenon results from a combination of a long-term secular effect and short-term instabilities, such as pulsation. The secular evolution brings the star close enough to the critical → break-up velocity, so that the additional velocity field due to the instability may allow some mass ejection (Maeder 2011).
Canon der Finsternisse
fehrest-e gerefthâ (#)
Fr.: Canon des éclipses
Canon of Eclipses. The most famous catalogue of solar and lunar eclipses. Published in 1887 by Theodor von Oppolzer, the catalogue contains the elements of all solar and lunar eclipses between 1208 BC and 2161 AD. It has been superseded by the calculations of F. Espenak and J. Meeus, Five Millennium Canon of Solar Eclipses: -1999 to +3000 (NASA/TP-2006-214141) and Five Millennium Canon of Lunar Eclipses: -1999 to +3000 (NASA/TP-2009-214172).
Canon, from L. canon, from Gk. kanon "a straight rod, a measuring rod, rule;" Ger. Finsternisse, plural from finsternis "eclipse; darkness," from finster "dark," M.H.G. vinster, O.H.G. finstar "dark" + -nis suffix forming abstract nouns, → -ness.
1) General: Pertaining to, established by, or conforming to a
canon, i.e. a law or a general rule (especially in ecclesiastical matters).
M.M. canonicalis, from canonic(us), from L. canon, from Gk. kanon "a straight rod, a measuring rod, rule " + alis, → -al.
Hanjârvâr, from hanjâr "a mason's rule, any string or instrument used by builders in laying stones straight; rule, law, way, custom; a norm" + -vâr suffix meaning "having, endowed with; like, in the manner of."
degaršod-e hanjârvâr, degareš-e ~
Fr.: changement canonique
A periodic change in one of the components of the orbit of a celestial object.
Fr.: coordonnées canoniques
Any set of generalized coordinates of a system together with their → conjugate momenta.
Fr.: correlation canonique
The highest correlation between linear functions of two data sets when specific restrictions are imposed upon them.
Fr.: équation canonique
The most general form of an equation.
Fr.: forme canonique
Fr.: IMF canonique
tarz-e hanjârvâr, model-e ~
Fr.: modèle canonique
A model for the formation of the Moon according to which the → Moon results from a giant impact. A Mars-sized body (often referred to as → Theia) obliquely collided with the proto-Earth at the mutual escapee velocity. This specific giant impact is often used to represent all giant impacts. A recent advanced version of the canonical model is called → giant impact hypothesis.
Fr.: moment cinétique canonique
Same as → conjugate momentum.
canonical upper limit
hadd-e zabarin-e jerm
Fr.: limite supériure canonique
A physical upper mass limit near 150 Msun assumed for the stellar → initial mass function (Kroupa et al. 2012, arXiv:1112.3340).
canonically conjugate variable
vartande-ye hanjârvârâné hamyuq
Fr.: variable canoniquement conjuguée
A generalized coordinate and its → conjugate momentum.
Gibbs canonical distribution
vâbâžeš-e hanjârvâr-e Gibbs
Fr.: distribution canonique de Gibbs
The probability distribution of the various possible states of a certain → quasi-closed subsystem.
law of non-contradiction
Fr.: principe de non-contradiction
Same as → principle of non-contradiction.
A prefix meaning "not."
From O.Fr. non-, from L. non "not," from Old L. noenum "not one;" in some cases perhaps from M.E. non "not" (adj.), from O.E. nan.
Nâ- "no, not," variants na, ni, ma- (prohibitive) "not;" from Mid.Pers. nê, ma "no, not;" O.Pers. naiy, nai "not;" Av. nôit, naē "not;" cf. Skt. ná "not;" cf. L. ne-, in-, un-; Gk. ni; Lith. nè; O.C.S. ne "not;" PIE *ne-.
Fr.: fonction non algébrique
A → transcendental function. Examples are: exponential, logarithmic, and trigonometric functions.