Answer:
The correct answer is- blue, white, yellow-white, orange
Step-by-step explanation:
According to the stellar classification stars are grouped into seven main types according to their temperature that are O, B, A, F, G, K, and M. M are the coldest stars and O are the hottest stars.
The color of these groups are in order- blue, blue-white, white, yellow-white, yellow, orange and red. This order is from hottest to coolest. The sun is the closest star from the earth and it comes under G star class. Therefore the correct order of star colors from hottest to coolest is blue, white, yellow-white, orange.