Ключевые слова: abstract, aerial, antenna, astronomy, background, black, blue, bright, broadcast, business, cold, colorful, communication, concept, dark, design, digital, dish, electronics, environment, future, galaxy, graphic, image, internet, light, line, media, morning, nature, network, night, outdoors, outline, radar, radio, satellite, science, signal, silhouette, sky, space, star, sunrise, sunset, technology, telescope, universe, wave, wireless,