An old high-mass star can have a number of shells (hydrogen,helium,carbon,neon,oxygen,silicon)plus an iron core.Fusion generally takes place everywhere EXCEPT the:

Question

Quizplus · Accepted Answer

Fusion does not take place in the iron core because it is the end point of nuclear fusion in high-mass stars. The core has already fused lighter elements into heavier ones, and no more energy can be produced through fusion.

An Old High-Mass Star Can Have a Number of Shells