Planet research links

What do you know about the cosmos?
http://www.kidscosmos.org/kid-stuff.html

Yahooligans Astronomy & Space
http://yahooligans.yahoo.com/science_and_nature/astronomy_and_space/solar_system/planets/

The nine planets
http://www.nineplanets.org/

Kids' astronomy: The solar system
http://www.kidsastronomy.com/solar_system.htm

Around the galaxy with Peter and Paul
http://www.kids-and-space.com/

Science monster: Our solar system
http://sciencemonster.com/planets.html

How to collect solar system trading cards
http://amazing-space.stsci.edu/resources/explorations/trading/directions.html