Calling all space cadets! You may never achieve what Chinese astronaut Yang Liwei did and go exploring in outer space, but you'll be amazed at what you can learn by jetting around in cyberspace.
Some sites offer interactive, intergalactic fun, others are information superhighways containing all you want to know about the solar system, the cosmos and beyond.
This is cool. View the universe from any point of view with this spyglass on the cosmos. See anything in space from any point that you choose. Look at Saturn from Mars, check out Venus from Voyager 2, or see Jupiter from Pluto.
Using the Hubble telescope's cutting-edge technology you can see stunning images of the universe being born. Take a virtual tour of the universe, play games, construct a comet, track Hubble in real time, or build a scale model of the telescope. All the Hubble telescope facts and figures are here.