Facts101 is your complete guide to The Cosmic Perspective, The Solar System. In this book, you will learn topics such as THE SCIENCE OF ASTRONOMY, MAKING SENSE OF THE UNIVERSE: UNDERSTANDING MOTION, ENERGY, AND GRAVIT ..., LIGHT AND MATTER: READING MESSAGES FROM THE COSMOS, and TELESCOPES: PORTALS OF DISCOVERY plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.