Why do some stars in the sky appear blue, while other stars appear red?
A) The red stars are hotter on their surfaces than the blue stars.
B) The blue stars are hotter on their surfaces than the red stars.
C) The blue stars are closer to us than the red stars.
D) The red stars are closer to us than the blue stars.
E) The blue stars are moving away from us faster than the red stars.

Question

Quizplus · Accepted Answer

The color of a star is related to its surface temperature. Hotter stars appear blue while cooler stars appear red. Therefore, the blue stars are hotter on their surfaces than the red stars.

Why Do Some Stars in the Sky Appear Blue, While