Ключевые слова: amazing, american, astronaut, astronomy, atmosphere, background, bright, communication, concept, cosmonaut, cosmos, deep, discovery, earth, effects, emotion, exploration, explorer, floating, flying, future, galaxy, gravity, helmet, horizon, imagination, isolated, man, moon, night, orbit, outer, outer space, planet, satellite, science, sea, sky, space, spaceman, star, stratosphere, suit, technology, travel, united, universe, usa, view, world,