#astronaut__spaceman__cosmonaut  a person trained to travel in a spacecraft; "the Russians called their astronauts cosmonauts"
  supertype:  #traveler__traveller  a person who changes location
  instance:  #Neil_Armstrong  #Yuri_Alekseyevich_Gagarin  #John_Herschel_Glenn_Jr.  #Alan_Bartlett_Shepard_Jr.  #Valentina_Vladmirovna_Tereshkova
  subtype:  #spacewalker  an astronaut who is active outside a spacecraft in outer space

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