Ключевые слова: astronomy, background, big dipper, cluster, constellation, cosmos, dawn, desert, discover, discovery, dusk, earth, equipment, evening, exploration, explore, find, galaxy, great bear, hobby, instrument, landscape, looking, milky way, nebula, night, observation, observe, optic, outer, planet, science, scope, shebear, sky, solar system, space, star, sunrise, sunset, telescope, tripod, universe, ursa major, view, watching,