Tag Archives: Kelvin-Helmholtz mechanism

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

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , , | Leave a comment