standard solar model

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A mathematical description of the Sun's structure that gives the variation of pressure, temperature, and other quantities with radius. It is obtained by considering how a mass of gas simulating the Sun at its birth evolves to its present state, with radius and luminosity matching measured values. The most recent models give a core temperature of 15.6 million K and a density of 148 000 kg/m3.

Subjects: Astronomy and Astrophysics.

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