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staedtler staedtler
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7 years ago
What will be 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 Fig. 11-5 and Table 11-1 of Comins and Kaufmann, Discovering the Universe, 7th Ed.)
   A)  F    B)  O    C)  A    D)  K
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Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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staedtler Author
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7 years ago
Grinning Face Exactly what I needed
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