If hydrogen vanished during the active hydrogen-burning phase of stars, at what point would nucleosynthesis halt?

Answer

At the heaviest element already present

If the input material (hydrogen) is gone, the entire chain of creation halts, frozen in its elemental composition defined only by whatever had already been forged.

If hydrogen vanished during the active hydrogen-burning phase of stars, at what point would nucleosynthesis halt?

#Videos

Will the Universe Run Out of Hydrogen? - YouTube

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