A yellow star and a blue star are the same size and the same distance away from Earth,which one appears brighter in the sky?
A) The yellow star
B) The blue star
C) They appear the same brightness.
D) It is impossible to determine how bright they will appear.

Question

Quizplus · Accepted Answer

Blue stars are hotter than yellow stars, emitting more energy and appearing brighter if they are of the same size and at the same distance from Earth.

A Yellow Star and a Blue Star Are the Same