Four different main-sequence stars are colored blue, orange, red, and yellow. What is their rank from coolest to hottest?
A)blue, yellow, orange, red
B)blue, orange, red, yellow
C)orange, blue, yellow, red
D)red, orange, yellow, blue
E)red, yellow, orange, blue

Question

Quizplus · Accepted Answer

Main-sequence stars are ranked by temperature from coolest to hottest as red, orange, yellow, and blue.

Four Different Main-Sequence Stars Are Colored Blue, Orange, Red, and Yellow