Is the situation stable ? The gas may cool down
rapidly
H is kept at T »Tstar (106 K) by e- - conduction from the crust.
tcooling »U/L »7
x10-6 s
UNLESS Š.
ENERGY
RADIATED BY THE
LAYER PER UNIT TIME
(Opt.
thin bremsstrahlung losses
are negligible)
THERMAL CONTENT