vertical circle
noun1
Astronomy, Natural sciences A great circle on the celestial sphere, perpendicular to the horizon, that passes through the zenith and nadir
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Astronomy, Natural sciences A great circle on the celestial sphere, perpendicular to the horizon, that passes through the zenith and nadir
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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