Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Milky Way, the Earth's home galaxy which is a collection of countless stars, contains our Solar System. The Milky Way is a barred spiral galaxy which can be observed as a faint band of light stretching across the sky. The galaxy contains 200-400 billion stars and enough gas and dust to form billions of new stars. Learn more about the galaxy, its formation and evolution as well as myths and legends about the Milky Way in this book.