Linked from
The 18 pages that link to Triple-alpha process, each with the reason it gives.
Red giantRelated: This process powers the core after a low-mass red giant ignites helium.
CarbonRelated: This process explains how stars produce much of the universe’s carbon.
Horizontal branchRelated: It supplies most of the energy from helium burning in the core.
Helium flashRelated: Its sharply temperature-sensitive rate drives the sudden energy release.
Stellar coreRelated: It powers helium burning in evolved stellar cores.
Carbon burningRelated: This process supplies much of the carbon that later ignites in massive stars.