Multiple Choice
Name the spectral class of a star whose spectrum shows the following absorption lines: very strong Ca II lines; weak Fe I and Ca I lines; no He I,He II,or TiO lines.(Hint: Use the absorption line strengths shown in Figure 10-5 and Table 10-1 of Comins,Discovering the Essential Universe,6th ed.)
A) F
B) O
C) A
D) K
Correct Answer:
Verified
Correct Answer:
Verified
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