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Spectral Classes for Main Sequence Stars (table)

(Encyclopedia) Characteristics of Spectral Classes for Main Sequence Stars Class Color Surface Temperature Strong Lines O blue-white 35,000℃ ionized helium B blue-white 21,000℃ helium A white…

Guinea, archaic term for Africa's west coast

(Encyclopedia) GuineaGuineagĭnˈē [key], an archaic term for the west coast of Africa. In its widest sense it has been applied to the region from Angola to Senegal. Parts of the region bore names…

Marguerite, for French women thus named, use Margaret

(Encyclopedia) Marguerite. For French women thus named, use Margaret.

Saint, for Christian saints, use their given names

(Encyclopedia) Saint. For canonized and uncanonized saints, see under the proper name, e.g., Ambrose, Saint. For surnames and place names beginning thus, see in alphabetical position here: thus,…