carolkhan2001 carolkhan2001

25-03-2022
Biology

contestada

What are the steps of stellar evolution of a high mass star.

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GS13093 GS13093

31-03-2022

Answer:

The exact stages of evolutions are: Subgiant Branch (SGB) - hydrogen shell burning - outer layers swell. Red Giant Branch - helium ash core compresses - increased hydrogen shell burning. First Dredge Up - expanding atmosphere cools star - stirs carbon, nitrogen and oxygen upward - star heats up.

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