Which point on the figure below represents the location on the H-R diagram where the star is expelling mass creating a planetary nebula?

Question

Quizplus · Accepted Answer

The location on the H-R diagram where a star is expelling mass and creating a planetary nebula is in the upper right-hand corner of the diagram (the asymptotic giant branch or AGB). Point C is in this region, while points A, B, and D are not.

Which Point on the Figure Below Represents the Location on the H-R