You live on Earth, so you already know a lot about it. But do you know about its place in out solar system? For instance, it's not the largest planet. If Jupiter were a hallow ball, 1,000 Earths would fit inside it. And did you know our planet Earth takes 365 days to go around the sun, while the planet Pluto takes 248 years? This simple text by Franklyn M. Branely introduces the nine planets in our solar system and is complemented by Kevin O'Malley's full-color illustrations, which incorporate some of the newest space photographs available. How hot is it on Venus? Which planet takes longest to orbit the sun? Find out the answers in this updated version of this popular text. Kevin OMalleys often humorous illustrations depict a group of children and an astronomer as they learn all about our solar system. Included are some of the newest space photographs available, as well as many hands-on activities.