[mesa-users] A common stellar-structure myth

Tomasz Plewa tomekplewa at gmail.com
Tue Aug 30 18:05:55 EDT 2016


It's a deeper potential well.

Tomek
--


> On Aug 30, 2016, at 5:52 PM, RICHARD H D TOWNSEND <townsend at astro.wisc.edu> wrote:
> 
> Hi folks —
> 
> While reading the textbook I’m going to be teaching from this semester (“Pathways to Astronomy”, by Schneider & Arny), I came across this common myth about stellar structure:
> 
> “The stronger gravity of a more massive star drives up the rate of nuclear fusion dramatically, while smaller stars consume their fuel at a more leisurely pace”.
> 
> The attached figure, courtesy of MESA, shows the internal gravity for 1Msun and 10Msun stars at the ZAMS — and nicely busts the myth.
> 
> cheers,
> 
> Rich
> 
> <gravity.pdf>
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