Tag Archives: Kelvin-Helmholtz timescale

Protostar Formation – Infographic

Took me a while to do that. I hope that you like what I did. In some respects, I am not happy. I wanted to fit much, much more info. But I saw very soon that that was not going to … Continue reading

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Protostar formation – mindmap

Edit: see the infographic HERE Why this, actually? Once upon a time, I had an astrophysics exam. I took this book and put myself to work. I read the relevant chapters carefully, and crafted summaries and mindmaps for each block of … Continue reading

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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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