Answer:
Luminosity classes are labeled with Roman numerals from I to V: I are supergiant stars, II are bright giants, III are ordinary giants, IV are subgiants, and V are ordinary main sequence stars. The complete spectral classification for a star is then given by specifying both the spectral class and the luminosity class.
Explanation:
Compound subject. your welcome
C is the answer didifjhfhxhshzhzhz
Answer:
Explanation:
The hat was sitting on top of his head, probably very loosely. In this case, it means <u><em>mounted upon</em></u>.