In Terms of a Star's Evolutionary Life,an Asymptotic Giant Branch

question 52

Multiple Choice

In terms of a star's evolutionary life,an asymptotic giant branch (AGB) star is in the

• A) helium-core-burning phase.
• B) helium-shell-burning phase.
• C) pre-main-sequence phase.
• D) hydrogen-shell-burning phase prior to helium ignition in the core.

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