PCA 13#

Total (15 points)

Due Before Class Monday, April 21, 2025#

After reading Chapter 11, Pols, please answer the following in 2-3 sentences and submit as PDF via D2L.

  1. Briefly describe the impact of thermal pulses on the surface abundances of stars. (5pts)

  2. Describe what a “superwind” means in the context of AGB stars and what this implies about the evolutionary epoch of the star? (5pts)

  3. Briefly describe why the post-AGB phase occurs at nearly constant luminosity. (5pts)