hour circle
noun1
Astronomy, Natural sciences The great circle through an object whose location is to be determined and the two celestial poles.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Astronomy, Natural sciences The great circle through an object whose location is to be determined and the two celestial poles.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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