Best-selling author-illustrator Gail Gibbons explores our solar system's planets in this absolutely up-to-date edition that includes Pluto's new status as a dwarf planet. Our solar system is a fascinating place. The planets in it, named in ancient times after Greek and Roman gods and goddesses, are very different from each other in size, shape, orbit, and even weather. An update of Gail Gibbons's popular first two editions, this third edition clearly explains basic information about each planet in our solar system as well as the many new discoveries that have come to light in recent years, such as Pluto's new disignation as dwarf planet. Pluto's designation has been in the news lately. This edition provides a clear explanation of the controversy and why Pluto was named a dwarf planet. Children are often curious about the night sky and will be fascinated to see it up close.