From the website "dustbunny.com. Though it is astronomy for kids, I recommend it for adults, who are allowed only if they behave!
The first page gives a brief description of each planet. Click on pictures for more detailed summary.
BASIC ASTRONOMYThis site has simple explanations and great pictures.
I recommend making a book. Especially good for ages 3 to 8, but will probably be enjoyed by all ages.
NAKED EYE