mruffier1133 mruffier1133

18-01-2024
Physics

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Which of these variable stars would be classified as a Cepheid?
A) A B supergiant with a period of 0.14 days.
B) A K giant with a period of 14 days.
C) An M supergiant with a period of 140 days.
D) An F giant with a period of 14 years.
E) A G giant with a period of 14 hours.

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