Question

what is the correct order of star colors from hottest to coolest?
white, yellow, red, blue
yellow, orange, white, red
red, orange, yellow, blue - white
blue, white, yellow - white, orange

Explanation:

Stars' colors relate to their surface temperatures. Blue stars are the hottest as they have the highest surface temperatures. White stars are hotter than yellow - white, and yellow - white is hotter than orange.

Answer:

blue, white, yellow - white, orange