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Created page with "== Introduction == A Helium flash is a dramatic and rapid event that occurs in the core of a low-mass star when it exhausts its hydrogen fuel and begins to burn helium. This phenomenon is a critical phase in the evolution of stars with masses less than approximately 2.25 solar masses. The helium flash marks the transition from the red giant phase to the horizontal branch phase in the Hertzsprung-Russell diagram. == Stellar Evolution Leading to Helium Flash == ### Ma..."
