Multiple Choice
Which of these variable stars would be classified as an RR Lyrae?
A) a K giant with a period of 14 days
B) a pulsar with a period of 0.14 seconds
C) a B supergiant with a period of 0.14 days
D) an F giant with a period of 14 hours
E) an M giant with a period of 140 days
Correct Answer:
Verified
Correct Answer:
Verified
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