Ключевые слова: abduction, adventure, alien, alien technology, belief, close encounter, concept, conspiracy, contact, cosmic, dawn, dusk, encounter, exploration, extraterrestrial, fiction, flying object, glowing, horizon, hovering, interstellar, invasion, landscape, lights, metallic, mysterious, mystery, otherworldly, outer space, paranormal, phenomenon, saucer, science fiction, secrecy, sighting, silver, sky, spacecraft, spaceship, speculative, sunrise, supernatural, technology, ufo, unexplained, unidentified, visit, visitation,