Ключевые слова: aerospace, airspace, astronaut, astronautical, astronautics, astronauts, astronomy, background, backspace, cosmonaut, cosmos, earth, earthen, earthman, exploration, floating, flying, future, galaxy, gravity, international, man, moon, outer, outer space, planet, rocket, satellite, science, shuttle, space, space shuttle, space station, spaceless, spaceman, spacemen, spaceship, spacesuit, spacewalk, spacewalker, spacewalking, station, suit, technology, universe, world,