Check out these various Space Virtual Tours, as well as activities to learn more about space:

• STEM Works - learn to build a galaxy, design a planet, and build an Alka-Seltzer rocket!
• NASA At Home - offers virtual tours and features apps to learn more about space, aircrafts, and the universe
• Mars Virtual Tour
• Moon Virtual Tour
• Virtual Tour to the Sun
• International Space Station Tour
• Space Shuttle Discovery Virtual Tour