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meridian that is a great circle on the celestial sphere that passes through the north and south points of the horizon as well as through the zenith of the observer, meridiaan, mis läbib horisondi põhja- ja lõunapunkte ning mõõtja zeniitpunkti
seisupunkti meridiaan . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/seisupunkti%20meridiaan/1/est (06.08.2026)
