Multiple Choice
Star A is four times as luminous as star B.Star B's spectrum peaks at 300 nm,while star A's spectrum peaks at 150 nm.How large is the radius of star A compared to star B?
A) 1/2 as large
B) 1/4 as large
C) twice as large
D) four times as large
Correct Answer:

Verified
Correct Answer:
Verified
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