Multiple Choice
Using the Hertzsprung-Russell diagram (Figure 10-7 of Comins,Discovering the Essential Universe,6th ed.) ,determine which type of star has the following characteristics: surface temperature of 40,000 K,luminosity 100,000 times that of the Sun.
A) a cool, red, main-sequence star
B) a hot, blue, main-sequence star
C) a white dwarf
D) a red giant
Correct Answer:

Verified
Correct Answer:
Verified
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