Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Ancient Times & the Greeks
In ancient times only five planets were known: Mercury, Venus, Mars, Jupiter, and Saturn. Learn about Greek astronomer Ptolemy's theory for the solar system that was to survive for fourteen centuries.
Wonderville Media
Wonderville: Planets
There are eight planets in orbit around our Sun. These planets form our solar system. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are also rocks, moons, comets, and other objects going...
Space Telescope Science Institute
Hubble Site: A Decade of Discovery
Take a look back at a decade of discovery concerning the Hubble from the HubbleSite. Site contains links to a portfolio of pictures, a quicktime video as well as the vault of discovery.
Ducksters
Ducksters: History of Ancient Rome for Kids: Roman Gods and Mythology
Kids learn about the Gods and Mythology of Ancient Rome on this site. Taken from the Greeks, the Romans had gods such as Jupiter, Mars, Mercury, Neptune, and more.