How to navigate the night sky? How do stars move through the sky and why? What is dark matter and dark energy? How do scientists know what distant galaxies are made of? Where does the solar system end? You will find answers to these and other questions in this illustrated guide. It contains our knowledge of the structure of the universe, its origin and evolution. Open this book - and start a journey into the world of stars, in which everything is not quite what it seems at first glance.