In 1942, a manmade craft was launched into outer space for the first time in history. Since then, many of the worlds best and brightest minds have dedicated themselves to exploring the furthest reaches of the universe. Readers will learn about some of the greatest space missions in history and find out what todays top engineers and scientists are doing to advance space exploration to new heights. They will also find out what it takes to begin a career in space exploration and how different workers can fill a variety of roles in the quest to reach distant planets and stars. The complex text in this title allows readers to determine the main idea and explain how it is supported by key details. The diagrams, charts, and graphs add clarity and help students navigate the text.