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celestial longitude

ce·les·tial·longitude

uncommon

noun

1.

(astronomy) the angular distance eastward along the celestial equator from the vernal equinox to the intersection of the hour circle that passes through the body; expressed in hours and minutes and second; used with declination to specify positions on the

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WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.