Other
Royal Museums Greenwich: Origin of the Solar System
This site explores current theories about how the Solar System was created.
Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Mercury
This is a useful resource for facts and images pertaining to the planet Mercury.
Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Earth's Lithosphere
The plate tectonics and other features of the Earth's lithosphere are explained and illustrated. Has links to definitions of the magnetosphere, atmosphere, and hydrosphere.
NASA
Nasa: 21th Century Explorer: Why Do We Want to Study and Travel to Mars?
This article answers some of the most common questions about Mars: Why is it red? Is there water on Mars? What else have scientists discovered from spacecraft that have landed there? Also, visitors can follow links to learn more about...
Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Venus
Get the facts on Venus. Resource offers a variety of satellite images and facts about the structure and features of Venus.