What is the luminosity of a white dwarf star with the same surface temperature as the Sun? (See Figure 17-15a.(in the text) )
A) 10-2 × the Sun's luminosity
B) It will have the same brightness as the Sun, because it has the same surface temperature.
C) 10-4 × the Sun's luminosity
D) 4 × the Sun's luminosity
Correct Answer:
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