Ключевые слова: aerial, air, antenna, army, astronomical, astronomy, base, broadcast, communication, contact, cosmic, cosmos, defence, digital, discover, discovery, dish, electromagnetic, electronic, exploration, galaxy, information, locator, media, military, network, night, observation, observatory, radar, radio, receiver, research, satellite, science, scientific, scientists, searching, security, signal, sky, space, star, station, system, technology, telescope, tower, war, warfare,