Space Exploration

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. While the observation of objects in space, known as astronomy, predates recorded history, it was the development of large and relatively efficient rockets during the early 20th century that allowed physical space exploration to become a reality. Common goals of exploring space include advancing scientific research, uniting different nations, ensuring the future survival of humanity and developing military and strategic advantages against other countries. Learn more about some of the most ambitious missions in the history of space exploration, their goals and amazing achievements as well as the ingenious machines that carried them in this book.