View the universe from your computer by linking to the best ground and space telescopes. Check out the lesson plans available in the Educator Resources link from the Experience It drop-down menu.
"Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. "
Interactive shockwave flash -- explore the solar system by selecting the planet to visit. Choose to learn about the planet's surface, interior, exploration, satellites, and interactives.