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Stellar classification (11994 bytes)
1: ... but this poses difficulties for distant stars. [[Stellar spectroscopy]] offers a way to classify stars acc... 3: ==Morgan-Keenan spectral classification== 4: This stellar classification is the most commonly used. The classes are normal... 41: ... should be noted that while these descriptions of stellar colors are traditional in astronomy, they really ... 55: ... they do this, they do not stay for long in the G classification as this is an extremely unstable place for a supe... Stellar structure (1913 bytes) 1: The simplest commonly used model of '''stellar structure''' is the spherically symmetric quasi-s... 26: ...g/abs/astro-ph/9610099 Variational Principles for Stellar Structure], Dallas C. Kennedy, Sidney A. Bludman,... Stellar atmosphere (1554 bytes) 11: An unresolved problem in stellar [[astrophysics]] is the question as to how exactl... Stellar evolution (13155 bytes) 1: In [[astronomy]], '''stellar evolution''' is the sequence of changes that a [[... 3: ...ycle, and running computer models that simulate [[stellar structure]]. 9: Stellar evolution begins with a [[Giant Molecular Cloud]]... 15: This initial stage of stellar existence is almost invariably hidden away deep i... 45: ...ore ceases hydrogen fusion. There simply isn't a stellar envelope massive enough to bear down enough press... Stellar cartography (159 bytes) 1: ... mapping of [[star]]s, [[nebula]], and other interstellar phonomena. Stellar astronomy (1810 bytes) 1: '''Stellar [[astronomy]]''' is the study of [[star]]s and th... 2: Stellar astronomy has two main approaches, observational ... 4: Observational stellar astronomy comprises optical [[observation]]s, suc... 5: ...]]s could fall under the rubric of "observational stellar astronomy," although those sorts of observations ... 7: ...h stars (such as magnetic reconnection models for stellar flares or Raymond-Smith models for high-temperatu... Stellar population (1959 bytes) 1: ...on I''' and '''Population II'''. The criteria for classification include space velocity, location in the galaxy, a... 25: [[it:Popolazioni stellari]] Stellar nucleosynthesis (3195 bytes) 1: '''Stellar nucleosynthesis''' is the collective term for the... 7: ...eed at the high temperatures believed to exist in stellar interiors. 37: [[it:nucleosintesi stellare]] Stellar association (279 bytes) 1: A '''stellar association''' is a very loose [[star cluster]], ... 6: [[Category:Stellar associations]] Stellar dynamics (890 bytes) 1: ...ong range of gravity and the slow "relaxation" of stellar systems prevent the use of the methods of [[stati... 3: ...is induced by a large collective variation of the stellar system shape. Stellar uplift (252 bytes) 3: ... to the theoretic prospect of converting lifeless stellar [[matter]] into [[intelligence|intelligent]] and ... Stellar black hole (4789 bytes) 1: ...t 3 to 5 [[solar mass]]es. The most massive known stellar black hole (as of 2001) is 14 solar masses. 5: ...itable at the end of the life of a star, when all stellar energy sources are exhausted. If the mass of the ... 8: ... of black holes, which are much more massive than stellar black holes. They are [[Intermediate-mass black h... 10: ...on on the spin have been performed. The spin of a stellar black hole is due to the [[conservation of angula... 12: ==The observed mass of stellar black holes== Timeline of stellar astronomy (2576 bytes) 1: '''[[Timeline]] of [[stellar astronomy]]''' 3: ...eates the [[apparent magnitude|magnitude scale of stellar apparent]] [[luminosity|luminosities]] 7: * [[1718]] - [[Edmund Halley]] discovers stellar [[proper motion]]s by comparing his astrometric m... 10: ...edrich Struve]], and [[Friedrich Bessel]] measure stellar [[parallax]]es 12: ...rthur Eddington]] begins his statistical study of stellar motions The Mooseheart Faith Stellar Groove Band (779 bytes) 1: '''The Mooseheart Faith Stellar Groove Band''', sometimes known as Mooseheart Fai... 6: [[Category:Psychedelic groups|Mooseheart Faith Stellar Groove Band]] 7: ...Category:American musical groups|Mooseheart Faith Stellar Groove Band]] Classification (1779 bytes) 1: '''''Classification''''' may refer to: 2: ...s over objects or concepts. Examples of taxonomic classification include: 3: ** [[Library classification]] 4: ** [[Scientific classification]] of organisms. 5: ** [[Classification of finite simple groups]] Classification yard (6482 bytes) 3: ... switch|switches]] called a '''ladder''' onto the classification tracks. Larger yards tend to put the lead on an ... 5: ...nations and partly (for long-distance-hauling) in classification yards. 7: ==Types of classification yards== 8: There are three types of classification yards: flat-shunted yards, hump yards and gravity... 13: ... hump yard but has no hump). In [[Argentina]] all classification yards with the exception of Villa Maria are flat ... Car classification (10340 bytes) 1: ...edia. Where applicable, the relevant [[EuroNCAP]] classifications are shown. 246: .../content/safety_ratings/introduction.php EuroNCAP classifications] 248: [[Category:Car classifications]] Pecos Classification (6095 bytes) 1: ...t (archaeology)|cultural remains]]. The original classification dates back to [[1927]], to a [[archaeology|archæo... 8: ''(The original classification postulated a '''Basketmaker I Era''' which was su... Meteorites classification (670 bytes) Binary classification (6317 bytes) 1: ...ey have some property or not. Some typical binary classification tasks are 3: ...mine if a patient has certain disease or not (the classification property is the disease) 4: ...ugh to be sold, or if it should be discarded (the classification property is being good enough) 5: ... should be in the result set of a search not (the classification property is the relevance of the article - typica... 7: ...mputer science]], in order to automatically learn classification systems; some methods suitable for learning binar...
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