Ключевые слова: astronomical, astronomy, constellation, cosmos, device, discover, discovery, distance, equipment, explore, find, flat, focus, glass, icon, illustration, instrument, learning, lens, look, magnification, magnifier, magnify, mirror, monocular, object, observation, observe, ocular, optical, optics, planetarium, science, scope, search, sign, space, spy, spyglass, star, stars, technology, telescope, tool, tripod, universe, view, watching,