Match the following list of events or labels to the location on the figure. The figure represents the post-main-sequence phase of a large mass star (upper curve) and a low mass star (lower curve). Use one letter for each question. "A", "B", and "C" are the axes of the diagram.
Correct Answer:
Q17: Observing star clusters will give astronomers needed
Q18: As a star like the Sun exhausts
Q19: Astronomers can determine the interiors of main
Q20: All the elements heavier than helium on
Q21: Where are the Cepheid and RR Lyrae
Q23: Why is the Cepheid's period related to
Q24: Cepheid variable stars are classified as either
Q26: The lower limit for a main sequence
Q27: The period-luminosity relation for Cepheid and RR
Q129: Why are massive stars more luminous than
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