Planets

Earth is a planet, moving around the sun. But Earth is not the only planet in our solar system! It is one of eight planets, many moons, and other objects that orbit our sun. The planets have much in common, but they have many differences, too. In this book, learn all about these exciting planets. | Earth is not the only planet in our solar system! It is one of eight planets, many moons, and other objects that orbit our sun. In this book, learn all about the similarities and differences between these planets.