The Nine Planets - A multimedia tour of the solar system

Windows on the Universe - Our Solar System

Exploring the planets

Welcome to the Planets (Images and Facts)

NASA Education
NASA for Educators
NASA for Students
NASA Kids' Club
NASA Education Resources
NASA Challenges
NASA Images
NASA Images (more)
NASA Images (even more)
NASA - Jet Propulsion Laboratory - Solar System
Solar System Exploration (NASA)

Kids Konnect Planets

USGS Astrogeology

Windows on the Universe - The Universe

Mythology and our Solar System

Amazing Space

Astronaut Biographies

Searchable resource:
Encyclopedia Britannica