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About
Facts101 is your complete guide to Explorations, Introduction To Astronomy. In this book, you will learn topics such as Backyard Astronomy, Gravity and Motion, Light and Atoms, and Special and General Relativity 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.