Stars that have spectral type B ________ in temperature compared with stars that have spectral type M.
A) are cooler
B) are hotter
C) are the same
D) usually hotter but sometimes cooler
E) usually cooler but sometimes hotter

Question

Quizplus · Accepted Answer

Stars with spectral type B are hotter than stars with spectral type M. Spectral type B stars have surface temperatures ranging from about 10,000 to 30,000 K, while spectral type M stars have cooler surface temperatures, typically below 3,500 K.

Stars That Have Spectral Type B ________ in Temperature Compared