An O- star has a hotter surface temperature than the Sun. Therefore, compared to the Sun,
A) it emits at about the same wavelengths as the Sun (similar peak) but it is much fainter.
B) its emission peaks in the infrared part of the spectrum.
C) it emits at about the same wavelengths as the Sun (similar peak) but it is much brighter.
D) its emission peaks in the blue part of the spectrum.
Correct Answer:
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