Ключевые слова: abstract, astronomy, atom, backdrop, backgrounds, blue, bright, chemistry, circle, close, computer, concepts, dark, defocused, design, electron, exploding, fire, futuristic, galaxy, glowing, graphic, illustration, light, molecular, molecule, natural phenomenon, nebula, night, nucleus, orb, particle, pattern, physics, planet, proton, research, science, shape, shiny, space, sphere, star, stars, structure, symbol, technology, up,