For thousands of years, people have been fascinated by the stars in the sky. Astronomythe study of everything outside Earths atmosphereremains one of the most exciting sciences today. Modern scientists can use their knowledge of math, science, and technology to find out about planets, stars, comets, asteroids, and their movement in our solar system and others. Through motivating yet accessible text, this volume allows readers of varying proficiency levels to better understand essential concepts of astronomy, including the tools used and the latest discoveries. Vivid photographs support the text to aid reading comprehension, and a concluding graphic organizer encourages further review of key concepts.