Multiple Choice
The figure below shows the trajectory of a star on the HR diagram as it moves along the red giant branch.How does its radius at point 3 compare to its radius at point 1?
A) It is 100 times larger at point 3.
B) It is 10 times larger at point 3.
C) It is 2 times larger at point 3.
D) It is 10 times smaller at point 3.
Correct Answer:

Verified
Correct Answer:
Verified
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