Multiple Choice
A particular star appears approximately equally bright when viewed through a blue filter and through a yellow filter.What is the approximate surface temperature of this star? (See Figure 10-4,Comins,Discovering the Essential Universe,6th ed.)
A) 6000 K
B) 12,000 K
C) 3000 K
D) It is not possible for a star to be equally bright at two different wavelengths.
Correct Answer:

Verified
Correct Answer:
Verified
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