An asymptotic giant branch (AGB)star is a
A) star in its first red-giant phase.
B) blue supergiant.
C) cool main-sequence star.
D) red supergiant.

Question

Quizplus · Accepted Answer

An asymptotic giant branch (AGB) star is a red supergiant star that is in the late stages of its evolution. During this phase, the star undergoes intense nuclear burning and experiences significant mass loss, leading to the formation of a planetary nebula.

An Asymptotic Giant Branch (AGB)star Is a