Quote:
Originally Posted by Stonius
I'm speculating here, but perhaps some stars don't just switch on and 'start shining', but instead waver across the threshold of viability several times before they reach a stable state. A possible mechanism would be if the energy from fusion creates expansion that, together with the loss of density would serve to put the brakes on the fusion reaction temporarily until the star had cooled, become more dense and more matter had collected to kick start the process again. Perhaps this happens a few times until it can sustain the reaction?
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Duh! Guess I just surmised the existence of the Kappa opacity mechanism that drives Cepheid Variables. Only 57 years after John Cox discovered it.
Still, it would be goo to know if a similar mechanism is causing these structures.
Markus