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 are related to their surface temperatures. Hotter stars emit shorter - wavelength (higher - energy) light. Blue light has a shorter wavelength than white, yellow - white, and orange. So, the order from hottest to coolest should have blue as the hottest among the given options.

Answer:

blue, white, yellow - white, orange