This book represents a long journey, starting from here on the ground beneath your feet and reaching the end of the universe! During it, you will orbit the moon and planets, learn about stars and their types, star clouds and their dazzling colors, and then travel to galaxies and their amazing worlds. The book includes more than one hundred celestial paintings, which are real images from human-made telescopes, in addition to more than thirty exercises and practical applications that help you understand the structure of the universe in the simplest ways, without any complexity.