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Questions tagged [thermodynamics]

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Adiabatic versus convection

I am reading about the interior temperature structure of Jupiter. It says in various texts that there are regions in Jupiter's atmosphere which are well-approximated by a dry adiabatic lapse rate. ...
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Why doesn't the equipartition theorem disallow spinning dust?

This excellent answer to the question What is the physics of the “spinning dust” contribution to Cosmic Microwave Background measurements? Is well sourced. The abstract of one of the papers there, ...
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Matter Temperature during Recombination

In several papers about Recombination, (for instance Peebles, Astrophysical Journal, vol. 153, eq. 39) it is claimed that the evolution of matter temperature follows the equation \begin{equation} \...
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How do we calculate heat flow or cooling rate for no fusion brown dwarf star?

I was reading this article and it said something that didn't sit right with me. "SIMP0136 still gives off light mostly in the infrared wavelengths, as its temperature is now approximately 830° C (1,...
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How long will star formation endure before the eventual heat death of the observable universe?

Lord Kelvin's prediction of heat death indicates the eventual end to star formation in the observable universe. Have any astrophysicists made any predictions for the endurance of star formation in the ...
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Explanation of the isochoric and isobaric instability conditions of interstellar medium gas clouds [duplicate]

The question Why are there no ISM clouds with temperatures between 100 and 6,000K? has an accepted answer of the form: Let $n$, $T$, and $x_i$ be the number density of hydrogen, the temperature of ...