Ключевые слова: astronomy, atmosphere, backdrop, background, black, blue, communication, concepts, connect, dark, dawn, earth, east, effect, europe, global, globe, glow, graphic, ideas, image, light, middle, morning, network, networking, night, orbit, planet, rising, satellite, shadow, sky, solar, space, sphere, star, starry, sun, sunlight, surface, system, view, world,