The planets and countless other objects revolving around our Sun make up the Solar System. As scientists discover more about these heavenly bodies, including our own planet, Earth, they are also finding further mysteries and extraordinary space puzzles. Our Solar System is but one of billions in the vastness of our galaxy, the Milky Way, and the Universe itself contains countless more ever-changing galaxies. This newly updated book covers all of these subjects, from the tiniest dwarf planet to vast nebulae, and from space probes searching out new life to the International Space Station, making it a fascinating home reference guide to our Solar System and beyond. 300 amazing photographs and detailed illustrations take you on a whirlwind tour of the cosmos, while an additional reference section contains fact charts, star maps and a glossary of terms.