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killian killian
wrote...
Silver Member
Posts: 6024
10 years ago
Each choice below lists a spectral type and luminosity class for a star. Which one is a red supergiant?
A) Spectral type M2, luminosity class I
B) Spectral type M1, luminosity class V
C) Spectral type O9, luminosity class I
D) Spectral type G2, luminosity class V
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Answer accepted by topic starter
padrepadre
wrote...
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Posts: 21610
10 years ago
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killian Author
wrote...
Silver Member
10 years ago
Thanks sir
Smiling Face with Open Mouth
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