Multiple Choice
The spectral luminosity class of the star α Arae is B2 V,and that of π Herculi is K3 II.Using only this information,without referring to tables or diagrams,we can tell that α Arae is:
A) hotter but intrinsically fainter than π Herculi.
B) hotter than π Herculi.
C) cooler and intrinsically fainter than π Herculi.
D) cooler than π Herculi.
Correct Answer:
Verified
Correct Answer:
Verified
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