Astronomy is an observational science, and if you just look at luminous points in the sky, trying to combine them into constellations, you are already doing astronomy. This book acquaints the reader with the basics of one of the oldest sciences and helps to easily navigate the basic concepts of astronomy, learn about the origin of the universe, the discoveries of great astronomers, and understand the diversity of celestial objects. The publication is designed to tell in simple language about a very multifaceted and mysterious science, to fill possible gaps in knowledge and encourage the reader to a deeper study of the subject.