Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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