Ключевые слова: africa, america, area, asia, astronomy, atlas, atmosphere, australia, background, blue, business, cartography, city, city lights, climate, communication, concept, continent, earth, europe, geography, global, globalization, glow, illuminated, international, internet, light, luminosity, map, nature, network, night, ocean, oceania, orbit, planet, satellite, science, space, stratosphere, sun, technology, topography, travel, universe, view, world, worldwide,