Book excerpt: For the first time in 4.6 billion years, your First 100 lessons regarding planets are here. A fascinating tour through space awaits you! This is your ideal introduction to Astronomy. The chapters take you to all eight major planets of our Solar System. All lessons are one-to-a-page. These are the first lessons to learn about planets. Learn the unique qualities and the highlights of each planet. Take an epic journey - as far as the eye can see!