Ключевые слова: alexei leonov, astronomy, canceled, collection, communications, connection, cosmos, docking, earth, exploration, flying, future, global, isolated, joining, label, leaving, letter, mail, mark, metal, missile, moving, orbit, orbiting, picture, planet, post, postage stamp, power, progress, rendezvous, rocket, russia, russian, satellite, science, soviet, space, spacecraft, spaceship, stamp, technology, transport, transportation, travel, ussr,