Suppose you see two stars: a blue star and a red star. Which of the following can you conclude
about the two stars?
A) The blue star has a hotter surface temperature than the red star.
B) The blue star is more massive than the red star.
C) The red star has a hotter surface temperature than the blue star.
D) The blue star is farther away than the red star.
E) The red star is more massive than the blue star.
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