Multiple Choice
The sequence of letters that is used to classify star surface temperatures, as determined by relative spectral absorption line strengths, in order of DECREASING temperature, is
A) A, B, F, G, K, M, O.
B) M, O, F, K, G, A, B.
C) O, F, M, G, A, B, K.
D) O, B, A, F, G, K, M.
Correct Answer:

Verified
Correct Answer:
Verified
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