Naturally, it's recommended to do some real observations along with the book. The book is fully illustrated and quite engaging although I think some of the ideas on how the moon was formed are still open for discussion. A final page offers a few simple moon-related projects and a few related websites for further information. The bulk of the book focuses on large distances and how they're measured and how people used to believe that the earth was at the center of the universe and remained motionless. The final page explains the big bang theory.
Nobody knows for sure, but here is what most scientists of today think.
Young children don't have much trouble with this when presented as it is in this book. Chances are, they'll know the answer. Black and white sketches illustrate each experiment as well. Although most books in the DK Eyewitness series are at least slightly problematic in the text, our family enjoys a number of them entirely for the sake of the pictures. Although there are many beautiful photos, the book overall is both disappointing and even problematic in places.