Tag Archives: Maxwell-Boltzmann distribution

Energy Sources and Luminosity

Where does the energy emitted by a star come from? One source is obviously gravitational potential energy U. If r decreases, U decreases too, and can be converted into radiated energy. However, because of the Virial Theorem (E = <U>/2) only 1/2 of … Continue reading

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Hydrostatic Equilibrium

The internal structure of stars cannot be directly observed (an exception is neutrino emission from the stellar core, since neutrinos have a hard time interacting with… anything else, they are not blocked by the upper layers of the stellar body), … Continue reading

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