Standard solar model
The standard solar model (SSM) is a mathematical treatment of the Sun as a spherical ball of gas (in varying states of ionisation, with the hydrogen in the deep interior being a completely ionised plasma). This model, technically the spherically symmetric quasi-static model of a star, has stellar structure described by several differential equations derived from basic physical principles. The model is constrained by boundary conditions, namely the luminosity, radius, age and composition of the Sun, which are well determined. The age of the Sun cannot be measured directly; one way to estimate it is from the age of the oldest meteorites, and models of the evolution of the Solar System. The composition in the photosphere of the modern-day Sun, by mass, is 74.9% hydrogen and 23.8% helium. All
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Standard solar model
The standard solar model (SSM) is a mathematical treatment of the Sun as a spherical ball of gas (in varying states of ionisation, with the hydrogen in the deep interior being a completely ionised plasma). This model, technically the spherically symmetric quasi-static model of a star, has stellar structure described by several differential equations derived from basic physical principles. The model is constrained by boundary conditions, namely the luminosity, radius, age and composition of the Sun, which are well determined. The age of the Sun cannot be measured directly; one way to estimate it is from the age of the oldest meteorites, and models of the evolution of the Solar System. The composition in the photosphere of the modern-day Sun, by mass, is 74.9% hydrogen and 23.8% helium. All
has abstract
El Modelo Solar Estándar es el ...... de es el exponente adiabático.
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El model solar estàndard (MSS) ...... d'heli, i un 1,5% de metalls.
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Il Modello Solare Standard (MS ...... eorie o scoperte sperimentali.
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O modelo solar padrão (SSM) é ...... lizando o modelo solar padrão.
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The standard solar model (SSM) ...... SSM to "fit" the observed Sun.
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Стандартная модель Солнца (анг ...... одели в наблюдательные данные.
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النموذج الشمسي القياسي (بالإنج ...... سي لكي "يناسب" الشمس المرصودة.
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標準太陽模型(英語:Standard Solar Model ...... 和1.5%的金屬组成。測量重元素的穩定擴散需要更精確的模型。
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El Modelo Solar Estándar es el ...... a.
* Equilibrio hidrostático.
@es
El model solar estàndard (MSS) ...... ctualment és, de la massa, el
@ca
Il Modello Solare Standard (MS ...... ello inoltre descrive come, a
@it
O modelo solar padrão (SSM) é ...... lizando o modelo solar padrão.
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The standard solar model (SSM) ...... ydrogen and 23.8% helium. All
@en
Стандартная модель Солнца (анг ...... е определены достаточно точно.
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النموذج الشمسي القياسي (بالإنج ...... بواسطة النموذج الشمسي القياسي.
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標準太陽模型(英語:Standard Solar Model ...... 度和(使用於太陽的對流),都要調整SSM以適合觀測到的太陽。
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Model solar estàndard
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Modello Solare Standard
@it
Modelo solar estándar
@es
Modelo solar padrão
@pt
Standard solar model
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Стандартная солнечная модель
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النموذج الشمسي القياسي
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標準太陽模型
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