Ключевые слова: 3d illustration, alien signal, antenna, astronomy, celestial, civilization, communication, constellation, contact, cosmology, cosmos, deep, earth, electromagnetic, extragalactic radio sources, frequency, galaxy, horizon, internet, interspace, mission, observatory, physical, physics, planet, radar, radio, radio signal, radio telescope, radio transmission, radiophone, satellite, satellite dish, science, science fiction, scifi, signal, sky, solar, space, stars, station, sun, sundown, sunrise, sunset, technology, telecommunication, telescope, ufo signal, universe, world,