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

Question

Quizplus · Accepted Answer

The color of a star is indicative of its surface temperature. Red stars are the coolest, followed by orange, yellow, and blue stars being the hottest.

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