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**Chadrasekhar limit**

In my thermo text, we arrived at an estimate of the chandrasekhar limit using the assumptions T=0, uniform mass density and... p>>mc.

I can maaaaaybe accept that in the context of a very rough approximation, but then the text says, "A more realistic calculation, which does not suppose a uniform density, gives [itex]M_C=1.4 M_{\bigodot}[/itex]". Thats means that in their so-called more realistic calculation, they still assume the unphysical p>>mc.

That someone explain that?

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