#celestial_point  a point in the heavens (on the celestial sphere)
  supertype:  point  the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
  part of:  celestial_sphere
  subtype:  apex_of_the_sun's_way__apex__solar_apex__solarapex  the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
  subtype:  antapex  the point opposite in direction from the solar apex; the point the solar system is moving away from
  subtype:  point_of_apoapsis__apoapsis  (astronomy) the point in an orbit farthest from the body being orbited
     subtype:  apogee  apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth
     subtype:  aphelion  apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
     subtype:  apojove  apoapsis in orbit around Jupiter
     subtype:  aposelene__apolune  apoapsis in orbit around the moon
  subtype:  node.celestial_point  (astronomy) a point where an orbit crosses a plane
     subtype:  ascending_node__ascendingnode  the point at which an orbit crosses the ecliptic plane going north
     subtype:  descending_node  the point at which an orbit crosses the ecliptic plane going south
  subtype:  equinoctial_point__equinoctialpoint__equinox  (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
     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
  subtype:  nadir  the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
  subtype:  point_of_periapsis__periapsis__periapsi  (astronomy) the point in as orbit closest to the body being orbited
     subtype:  perigee  periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
     subtype:  perihelion  periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
     subtype:  perijove  periapsis in orbit around Jupiter
     subtype:  periselene__perilune  periapsis in orbit around the moon
  subtype:  celestial_pole__celestialpole__pole  one of two points of intersection of the Earth's axis and the celestial sphere
     subtype:  north_celestial_pole__northcelestialpole  the celestial pole above the northern hemisphere; near Polaris
     subtype:  south_celestial_pole__southcelestialpole  the celestial pole above the southern hemisphere
  subtype:  zenith  the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

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