#equinoctial_point__equinoctialpoint__equinox  (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
  supertype:  #celestial_point  a point in the heavens (on the celestial sphere)
  subtype:  #vernal_equinox  (astronomy) the equinoctial point that lies in the constellation of Pisces
  subtype:  #autumnal_equinox  (astronomy) the equinoctial point that lies in the constellation of Virgo

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