Objects in the sky have fascinated mankind since the beginning of time, and they continue to do so today. The men and women who work in the field of astronomy are tasked with identifying, tracking, and learning about stars, planets, and other celestial matter. Readers will be introduced to the field of astronomy and learn about its history and current applications. The work of astronomers is examined, and the tools of the trade discussed. Recent discoveries and the latest technology are featured, providing the most up-to-date information available.