Ключевые слова: art, astronomy, background, black, button, design, device, discover, discovery, equipment, eye, find, flat, focus, glass, graphic, icon, illustration, instrument, isolated, learning, lens, line, look, magnify, modern, object, observation, observe, optical, optics, outline, pattern, planetarium, science, scope, search, sign, silhouette, space, spy, spyglass, stars, style, symbol, telescope, tool, view, watching,