#extraterrestrial_object__estraterrestrial_body  a natural object existing outside the earth and outside the earth's atmosphere
  supertype:  natural_object__naturalobject  an object occurring naturally; not made by man
  subtype:  comet  meteoroid
  part of:  existence__universe__creation__world__cosmos__macrocosm  everything that exists anywhere; "they study the evolution of the universe"; "the biggest tree in existence"

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