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helium burning

   Also found in: Wikipedia 0.01 sec.
helium burning [′hē·lē·əm ‚bərn·iŋ]
(nuclear physics)
The synthesis of elements in stars through the fusion of three alpha particles to form a carbon-12 nucleus, followed by further captures of alpha particles.
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With the Altix XE cluster bearing the computational workload and feeding results to the PowerWall's visualization system, researchers can, for instance, adjust various parameters and assumptions as they employ a grid of more than 6 billion cells to simulate entrainment of unburned hydrogen fuel into the convection zone above the helium burning shell in a dying giant star.
MINNESOTA SUPERCOMPUTING INSTALLS SGI ALTIX XE CLUSTER by Mainframe Computing
The number one unknown in nuclear astrophysics [has been] the process of helium burning," says Moshe Gai of Yale University, A star approximately 25 times more massive than the sun lasts about 7.
Helium fusion and the fate of massive stars by Peterson, Ivars / Science News
 
 
 
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