Ключевые слова: adult, adventure, astronaut, astronautics, astronomy, celestial, cliff, concept, cosmic, cosmonaut, cosmonautics, cosmos, discovery, earth, expedition, exploration, explorer, extraterrestrial, galactic, galaxy, gentleman, gesture, helmet, hill, human, interstellar, journey, male, man, mission, mountain, night, nighttime, outer, peak, person, planet, rock, science, sit, sky, space, spaceman, spacesuit, spacewalk, symbol, top, travel, traveler, universe,