Take a tour of Earth and its neighbourhood with this spectacular planetary guide. From Mercury to Neptune, get an eyewitness view of the rocky planets, gas giants, dwarf planets, asteroids, comets, and other bodies that make up our Solar System. Explore the Asteroid Belt that runs between Mars and Jupiter and is filled with small pieces of rock that were left over from when the planets were forming. Surf along the icy rings of Saturn and count the many moons of Jupiter. Venture even further and you'll discover where comets come from, learn why Pluto is now classified as a dwarf planet, and much more. In Eyewitness Planets, you'll find out the secrets of space, examine the latest space exploration equipment, and learn about the scientists behind discoveries both ancient and new. Filled with stunning computer-generated images and the most up-to-date images from NASA and ESA taken by probes, this picture-packed guide will take you as close as you can get to the objects in our Solar System. Part of DK's best-selling Eyewitness series, which is now getting an exciting makeover, this popular title has been reinvigorated for the next generation of information-seekers and stay-at-home explorers, with a fresh new look, new photographs, updated information, and a new "eyewitness" feature - fascinating first-hand accounts from experts in the field.