bn:02468237n
Noun Concept
Categories: Wikipedia articles incorporating text from the 1911 Encyclopædia Britannica, Celestial coordinate system, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Astronomy stubs
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colure  equinoctial colure  solstitial colure
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Colure, in astronomy, is either of the two principal meridians of the celestial sphere. Wikipedia
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Colure, in astronomy, is either of the two principal meridians of the celestial sphere. Wikipedia
Either of two great circles (meridians) that intersect at the poles and either the equinoxes or solstices. Wiktionary
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