How is the internal structure of a Red Supergiant described while it is undergoing sequential core burning stages?

Answer

An onion-like structure with different elements burning in concentric shells.

As fusion restarts sequentially with heavier fuels in a Red Supergiant, the star develops an onion-like structure with different elements burning in concentric shells around an ever-growing, inert core.

How is the internal structure of a Red Supergiant described while it is undergoing sequential core burning stages?

#Videos

How Do Red Giants Become Supernovae? - Physics Frontier

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