#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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