What is the name given to the explosive event when helium fusion ignites in the contracting core of a solar-mass red giant?

Answer

Helium flash

When the contracting core of a solar-mass red giant becomes hot and dense enough to ignite helium fusion, this process occurs as a sudden, explosive event known as the helium flash.

What is the name given to the explosive event when helium fusion ignites in the contracting core of a solar-mass red giant?
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