Earth has many satellites, but the Moon is Earth's only natural satellite. Spacecraft and astronauts have visited the Moon to learn more about it. From the Apollo missions to the most current robotic spacecraft, this book highlights our adventures in studying our neighbor in space.

Jupiter is bigger than any other planet in our solar system. It has rings and centuries-old storms. It has more than sixty moons, too—some with underground oceans! Featuring a center spread with fast facts, this great addition to the FAR OUT GUIDE TO THE SOLAR SYSTEM series will tell you everything you need to know about the biggest planet—including missions and the scientists who planned them, and the spacecraft they used to do so.

Everything in our solar system orbits the Sun. It is the center of our solar system, and affects everything in it. Robotic explorers have taught us a lot about the star at the center of our solar system. Learn about the amazing missions, the dedicated scientists who plan them, and more far-out facts about the Sun. All the facts you need, and lots more, are included in this up-to-date book.

Cratered Mercury is the smallest and fastest planet in the solar system. Temperatures there vary more than on any other planet. Learn lots of far-out facts about the closest planet to the Sun. This book features a center spread with fast facts, perfect for report writing.