Multiple Choice
Two stars have the same diameter and are at the same distance from us (but in different parts of the sky.) Star A has a temperature of 4000 K, while star B has a temperature of 8000K. Which of the following statements is true:
A) the two stars have the same total energy flux (luminosity)
B) star B has twice the energy flux (luminosity) that star A has
C) star B has one half the energy flux (luminosity) that star A has
D) star B has 16 times the energy flux (luminosity) that star A has
E) Sorry, professor, we don't have enough information to compare the energy flux (luminosity) of the two stars
Section 5.3: Spectroscopy in Astronomy
Correct Answer:

Verified
Correct Answer:
Verified
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