Star a Is Twice as Hot as Star B

question 44

Multiple Choice

Star A is twice as hot as star B.The two stars have the same radius.How does the luminosity of star A compare to that of star B?

• A)A and B have the same luminosity
• B)A is twice as luminous
• C)A is 4 times as luminous
• D)A is 16 times as luminous

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Definitions:

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