#sky  outer space as viewed from the earth
  supertype:  pm#space (pm)  point or extent in space
  subtype:  #blue_sky  #mackerel_sky
  part:  #cloud.atmospheric_phenomenon  #rainbow
  part of:  #Earth.terrestrial_planet__earth__globe  the 3rd planet from the sun; the planet on which we live; "the Earth moves around the sun"; "he sailed around the world"

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