#planet  any of the celestial bodies (other than comets or satellites) that revolve around the sun in the solar system
  supertype:  #celestial_body__celestialbody__heavenly_body  natural objects visible in the sky
  subtype:  #asteroid  #evening_star  #morning_star  #superior_planet  #terrestrial_planet
  member of:  #solar_system
  part:  #biosphere  the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist

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