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• Ecliptic
  ...Sun]]. It should be distinguished from the [[w:Invariable plane|invariable plane]], which is the vector sum of the [[w:Angular momentum|angular momenta]] of ...iquity of the ecliptic]]. The intersections of the equatorial and ecliptic plane with the celestial dome are [[great circles]] known as the celestial equato
  10 KB (1,605 words) - 03:47, 14 October 2022