Quote:
Originally Posted by bojan
Malcolm, it is actually the other way around:
First the (future) star collapses and shrinks because of gravity.. then the thermonuclear reaction eventually starts because of high enough temperatures an pressure and then the radiation pressure from the hot interior keeps the balance with gravity so the newborn star doesn't shrink any more.
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Yeah got back on here when I realised I was wrong damn it
. Although Jupiter does not have enough mass to start fusion.