Triple Alpha Process
The nuclear fusion process that combines three helium nuclei (alpha particles) to make one carbon nucleus.
True Relative Orbit ...
The triple alpha process for post-main sequence stars. Two helium nuclei (alpha-particles) fuse to form a beryllium-8 nucleus.
Now helium fuses into carbon (C) and oxygen (O) through what is known as the triple alpha process.
When it approaches 100,000,000 K (180,000,000 °F), helium will begin to fuse into carbon in the triple alpha process.
However, the triple alpha process takes tens of thousands of years to convert a significant amount of helium to carbon, and therefore was unable to convert any significant amount of helium in the minutes after the Big Bang.
Helium-4 ...
The product of the hydrogen shell-burning is helium, which is deposited in the core, causing it's temperature to rise until it is sufficient to trigger the triple alpha process.
5 solar masses,[58] the core can reach a temperature where it becomes hot enough to burn helium into carbon via the triple alpha process.[59][60] Stars with more than 5-7.5 solar masses can also fuse elements with higher atomic numbers.
HELIUM BURNING - When the temperature in the core of a star reaches ~107 K, three colliding helium nuclei can fuse to form a carbon nucleus - the triple alpha process.
 See also: Temperature, Density, Model, Element, Mass
  
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