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http://dbpedia.org/ontology/abstract Modelo de Milne foi um modelo cosmológico Modelo de Milne foi um modelo cosmológico relativista especial proposto por Edward Arthur Milne em 1935. É matematicamente equivalente a um caso especial do modelo FLRW no limite de densidade de energia zero (ou seja, um universo vazio) e obedece princípio cosmológico. O modelo de Milne também é semelhante ao , uma simples re-parametrização do espaço de Minkowski. Desde que caracteriza a densidade de energia zero e a curvatura espacial maximamente negativa, o modelo de Milne é contradito por observações cosmológicas. Os cosmologistas realmente observam o parâmetro de densidade do universo como consistente com a unidade e sua curvatura para ser consistente com a planicidade.ra para ser consistente com a planicidade. , L'univers de Milne ou modèle de Milne est L'univers de Milne ou modèle de Milne est un ancien modèle cosmologique proposé par Edward Arthur Milne. Il est classiquement interprété comme étant la limite d'un univers en expansion quand la densité de matière devient négligeable devant la densité critique. Du fait que l'univers de Milne est essentiellement vide de matière, il peut être décrit dans le seul cadre de la relativité restreinte, sans avoir à utiliser la machinerie plus complexe de la relativité générale, d'ordinaire indispensable pour la description de tout modèle cosmologique. Observationnellement, l'Univers observable ne peut être identifié à un univers de Milne, ne serait-ce que parce que sa densité est largement trop grande par rapport à celle attendue pour un univers de Milne. Il est cependant fréquent de comparer le comportement de telle ou telle variable décrivant un modèle cosmologique donné à son analogue dans un univers de Milne. C'est notamment le cas dans les études relatives à l'accélération de l'expansion de l'Univers, où diverses quantités observables, notamment la distance de luminosité est calculée en comparaison avec celle issue d'un univers de Milne.on avec celle issue d'un univers de Milne. , نموذج ميلن هو نموذج علمي في علم الكون الفينموذج ميلن هو نموذج علمي في علم الكون الفيزيائي وفقًا لنظرية النسبية الخاصة اقترحه إدوارد آرثر ميلن سنة 1935 م، وهو يُعد حالة رياضياتية خاصة لإحداثيات روبرتسون-ووكر افتُرض فيه أن كثافة الطاقة صفرية (بمعنى آخر، أن الكون فارغ)، وتخضع للمبدأ الكوني. يُشبه نموذج ميلن أيضًا فضاء ريندلر، الذي هو إعادة تمثيل وسيطي مُسطّح بسيط لفضاء مينكوفسكي.ة تمثيل وسيطي مُسطّح بسيط لفضاء مينكوفسكي. , Il modello di Milne era un modello cosmoloIl modello di Milne era un modello cosmologico basato sulla relatività speciale proposto da Edward Arthur Milne. È un caso particolare della metrica FLRW nel limite in cui la densità tende a zero ed esso segue il principio cosmologico; tuttavia la previsione data da questo modello, ovvero una densità critica Ωtot prossima a zero e una curvatura spaziale negativa, è in contraddizione con le osservazioni che mostrano una densità critica prossima a uno e una curvatura spaziale nulla.sima a uno e una curvatura spaziale nulla. , The Milne model was a special-relativisticThe Milne model was a special-relativistic cosmological model proposed by Edward Arthur Milne in 1935. It is mathematically equivalent to a special case of the FLRW model in the limit of zero energy density and it obeys the cosmological principle. The Milne model is also similar to Rindler space, a simple re-parameterization of flat Minkowski space. Since it features both zero energy density and maximally negative spatial curvature, the Milne model is inconsistent with cosmological observations. Cosmologists actually observe the universe's density parameter to be consistent with unity and its curvature to be consistent with flatness. curvature to be consistent with flatness. , 米尔恩模型是英国天文学家米尔恩(英語:Milne)于1935年提出的狭义相对论性的宇宙模型。该模型服从宇宙学原理,在数学上等效于弗里德曼-罗伯逊-沃尔克模型在零能量密度极限下的近似,因此也叫空宇宙模型。米尔恩模型和(对平直闵可夫斯基时空的简单再)相似。 由于米尔恩模型的零能量密度性和最大负空间曲率性,它和目前的宇宙学观测相矛盾。目前的观测表明宇宙的密度参数为一,曲率为零(平直)。
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rdfs:comment L'univers de Milne ou modèle de Milne est L'univers de Milne ou modèle de Milne est un ancien modèle cosmologique proposé par Edward Arthur Milne. Il est classiquement interprété comme étant la limite d'un univers en expansion quand la densité de matière devient négligeable devant la densité critique. Du fait que l'univers de Milne est essentiellement vide de matière, il peut être décrit dans le seul cadre de la relativité restreinte, sans avoir à utiliser la machinerie plus complexe de la relativité générale, d'ordinaire indispensable pour la description de tout modèle cosmologique.a description de tout modèle cosmologique. , The Milne model was a special-relativisticThe Milne model was a special-relativistic cosmological model proposed by Edward Arthur Milne in 1935. It is mathematically equivalent to a special case of the FLRW model in the limit of zero energy density and it obeys the cosmological principle. The Milne model is also similar to Rindler space, a simple re-parameterization of flat Minkowski space.-parameterization of flat Minkowski space. , Modelo de Milne foi um modelo cosmológico Modelo de Milne foi um modelo cosmológico relativista especial proposto por Edward Arthur Milne em 1935. É matematicamente equivalente a um caso especial do modelo FLRW no limite de densidade de energia zero (ou seja, um universo vazio) e obedece princípio cosmológico. O modelo de Milne também é semelhante ao , uma simples re-parametrização do espaço de Minkowski. re-parametrização do espaço de Minkowski. , Il modello di Milne era un modello cosmoloIl modello di Milne era un modello cosmologico basato sulla relatività speciale proposto da Edward Arthur Milne. È un caso particolare della metrica FLRW nel limite in cui la densità tende a zero ed esso segue il principio cosmologico; tuttavia la previsione data da questo modello, ovvero una densità critica Ωtot prossima a zero e una curvatura spaziale negativa, è in contraddizione con le osservazioni che mostrano una densità critica prossima a uno e una curvatura spaziale nulla.sima a uno e una curvatura spaziale nulla. , نموذج ميلن هو نموذج علمي في علم الكون الفينموذج ميلن هو نموذج علمي في علم الكون الفيزيائي وفقًا لنظرية النسبية الخاصة اقترحه إدوارد آرثر ميلن سنة 1935 م، وهو يُعد حالة رياضياتية خاصة لإحداثيات روبرتسون-ووكر افتُرض فيه أن كثافة الطاقة صفرية (بمعنى آخر، أن الكون فارغ)، وتخضع للمبدأ الكوني. يُشبه نموذج ميلن أيضًا فضاء ريندلر، الذي هو إعادة تمثيل وسيطي مُسطّح بسيط لفضاء مينكوفسكي.ة تمثيل وسيطي مُسطّح بسيط لفضاء مينكوفسكي. , 米尔恩模型是英国天文学家米尔恩(英語:Milne)于1935年提出的狭义相对论性的宇宙模型。该模型服从宇宙学原理,在数学上等效于弗里德曼-罗伯逊-沃尔克模型在零能量密度极限下的近似,因此也叫空宇宙模型。米尔恩模型和(对平直闵可夫斯基时空的简单再)相似。 由于米尔恩模型的零能量密度性和最大负空间曲率性,它和目前的宇宙学观测相矛盾。目前的观测表明宇宙的密度参数为一,曲率为零(平直)。
rdfs:label Modelo de Milne , Milne model , نموذج ميلن , Modello di Milne , Univers de Milne , 米尔恩模型
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