Ключевые слова: abstract, astronomy, atmosphere, background, blue, color, crater, dark, deep, distant, dream, earth, education, environment, evolution, exploration, fantasy, fiction, galaxy, globe, glow, hope, horizon, illuminated, imagination, infinity, knowledge, light, lunar, moonlight, nature, nebula, night, orbit, outer, phase, planet, research, science, shine, sky, space, star, sun, universe, wallpaper, world,