english: Over its lifetime, the fusion reactions in the core of a massive star will produce not only helium, but also carbon, oxygen, nitrogen and all the other elements in the periodic table up to iron.
non_english: V jadre veľkých hviezd nevzniká reakciami len hélium, ale aj uhlík, vodík, dusík a ostatné prvky periodickej tabuľky až po železo.