#star  (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
  supertype:  #celestial_body__celestialbody__heavenly_body  natural objects visible in the sky
  subtype:  #binary_star  #Deneb  #Denebola  #fixed_star  #giant_star  #loadstar  #multiple_star  #neutron_star  #nova  #red_dwarf_star  #red_giant_star  #sun  #sun.star  #supergiant  #supernova  #variable_star  #white_dwarf_star
  instance:  #Alpha_Crucis  #Beta_Centauri  #Beta_Crucis  #Pollux  #Regulus  #Spica  #Sterope
  member of:  #extragalactic_nebula__extragalacticnebula__galaxy  (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula' is a former name for `galaxy'"
     member of:  #universe__cosmos  the whole collection of existing things
  member of:  #constellation  a configuration of stars as seen from the earth

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