The Sun and other stars shine by fusing hydrogen into helium, a process that begins with proton-proton fusion. Proton-proton fusion is poorly understood. New research shows that a laboratory-based measurement of the decay of a triton (an isotope of hydrogen) to helium-3 can help fill this gap.Understanding How the Sun Shines: From Triton Decay to Proton-Proton Fusion
July 09, 2025
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The Sun and other stars shine by fusing hydrogen into helium, a process that begins with proton-proton fusion. Proton-proton fusion is poorly understood. New research shows that a laboratory-based measurement of the decay of a triton (an isotope of hydrogen) to helium-3 can help fill this gap.
