The correct sequence of spectral type letters from hot on the left to cool on the right is
A)M, K, G, F, A, B, O
B)O, B, A, F, G, K, M
C)G, K, M, F, O, B, A
D)A, B, O, F, G, K, M

Question

Quizplus · Accepted Answer

The correct sequence of spectral type letters from hot on the left to cool on the right is O, B, A, F, G, K, M. This acronym can be remembered as "Oh Be A Fine Girl/Guy, Kiss Me" with O being the hottest and M being the coolest. Therefore, option B is the correct choice as it follows this sequence.

The Correct Sequence of Spectral Type Letters from Hot on the Left