HW@....(Henri Wilson) wrote in
:

I don't think so. I think the temperature of the star's exterior layer
would FALL as the star expanded. ..plain adiabatic stuff....

Is the 'expanded water' immediately above a pot about to boil cooler or
warmer than the water in the pot?
Is the solar corona cooler or warmer than the layer immediately under it?

The expansion allows more energy to radiate into space and EVENTUALLY the
exterior layer temperature falls and the layer itself falls back but the
magnitude of the star increases as the star expands.





--
bz

please pardon my infinite ignorance, the set-of-things-I-do-not-know is an
infinite set.

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