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physical phenomena > energy source > exothermic fusion process > helium burning > helium shell flash
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helium shell flash comparison table
Subject has definition is a kind of
helium burningThe stage when a star fuses helium into carbon and oxygen. All stars born with more than half a solar mass eventually burn helium.exothermic fusion process
helium shell flashIt has been shown that helium shell burning outside a degenerate core is unstable; the helium-burning shell does not generate energy at a constant rate but instead produces energy primarily during short flashes. During a flash, the region just outside the helium-burning shell becomes unstable to convection. The resultant mixing probably leads to the s-process as well as to the upward movement of carbon produced by helium burning.helium burning

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