VDict - Definition of celestial horizon

search result for celestial horizon in English - English (Wordnet) dictionary

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horizon celestial horizon vertical circle hour angle celestial latitude horizontal parallax alt el dec celestial circumpolar declination risen altitude culmination eclipse b-horizon ha c-horizon equinoctial point equinoctial line equinoctial circle celestial equator hour circle equinox right ascension celestial longitude planet equinoctial depression sunset ra heavenly elevation retrograde occult star heat lightning artificial horizon parhelic ring parhelic circle mother-of-pearl cloud b horizon gyro horizon flight indicator solar halo nacreous cloud angle of dip magnetic dip magnetic inclination c horizon owlt armillary sphere apex of the sun's way zenith mean distance one-way light time planetesimal transit instrument solar apex mean time syzygy mean solar time celestial guidance gravitational collapse radio astronomy date of reference coelostat transmission time astrophysics astrometry magellanic cloud sundown mean sun heavens welkin vault of heaven trm semidiameter firmament

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