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An Astronomer Measures the Luminosities of Two Stars with Identical

Question 57

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An astronomer measures the luminosities of two stars with identical sizes,finding that star A is 256 times as luminous as star B.How are their temperatures related to each other?


A) Star A is twice as hot as star B.
B) Star A is 4 times hotter than star B.
C) Star A is 16 times hotter than star B.
D) Star A is 64 times hotter than star B.

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