Multiple Choice
All stars are born with the same basic composition, yet stars can look quite different from one another. Which two factors primarily determine the characteristics of a star?
A) Its mass and its stage of life
B) Its apparent brightness and its distance
C) Its age and its location in the galaxy
D) Its mass and its surface temperature
E) Its apparent brightness and its luminosity
Correct Answer:

Verified
Correct Answer:
Verified
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