VDict - Definition of celestial sphere

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

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celestial latitude dec declination celestial equator hour circle equinoctial circle equinoctial line celestial longitude right ascension sphere equinoctial empyrean ra apex of the sun's way zenith solar apex celestial horizon vertical circle celestial sphere heavens vault of heaven welkin firmament hour angle celestial pole celestial point nadir celestial apex retrograde horizon eclipse ha equinoctial point equinox planet spherical orbit radius pole heavenly occult star great circle plutonium pit plutonium trigger loxodrome rhumb rhumb line profiling camphor ball spherical polygon spherical geometry armillary sphere one-way light time owlt mean distance transit instrument planetesimal syzygy mean time radio astronomy mean solar time gravitational collapse celestial guidance coelostat date of reference transmission time astrophysics magellanic cloud astrometry mean sun political arena political sphere astrodome semidiameter altazimuth annual parallax heliocentric parallax trm

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