The Lower Limit for a Main Sequence Star Is _______________

Q29: Because of the period-luminosity relation for Cepheids

Q30: The fusion of helium into carbon will

Q31: Why is there a lower end in

Q32: Globular clusters have approximately how many stars?<br>A)

Q33: Where are the Cepheid and RR Lyrae

Q35: The Instability Strip on the H-R Diagram

Q36: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8862/.jpg" alt=" Match the following

Q37: The helium flash stage will always completely

Q38: Observing star clusters will give astronomers needed

Q39: Why is the Cepheid's period related to