Multiple choice

A star which appears blue is

  1. hotter than the Sun

  2. cooler than the Sun

  3. as hot as the Sun

  4. none of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

According to Wien's displacement law, the color of a star is related to its surface temperature. Blue stars are hotter than yellow stars like our Sun, while red stars are cooler.