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 surface temperature
B) its mass and its stage of life
C) its apparent brightness and its distance
D) its apparent brightness and its luminosity
E) its age and its location in the galaxy
Correct Answer:

Verified
Correct Answer:
Verified
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