Without our moon, Earth would be a very different place. Readers discover fun facts about our closest neighbor, including the way it ...
We think of space as being empty, but that isn?t quite true. In addition to stars, planets, and moons, there are asteroids and comets. ...
Earth is the planet we know the most about because it?s our home, but we?re always learning more. Every day we find out something new about ...
Readers are sure to enjoy this fascinating look at the celestial bodies that make up our solar system. They will learn about each of ...
