Like Google Earth for the heavens, WWT aggregates terabytes of astronomical data from the world's biggest telescopes to create a single virtual scope that anyone can look through. WWT is not a model of the known universe, but rather a centralized repository for just about everything known about the universe. The idea is to democratize the science of astronomy with a single tool that can be used by students and scientists. Who knows, when everyone has access to the same data, maybe the next big discovery in astronomy will be made by an amateur? There are hundreds of terabytes of digitized sky - enough data for everyone
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offers 3-D tours of the solar system in your browser. You can put the tours on auto-play or go through them manually. You also have the option to explore the Solar System without the guidance of a tour. I tried it both ways and found it much easier to use the tours as a guide for exploring the Solar System. The tours have some multimedia elements included in some of the stops as you move along. I used the tours on my Lenovo M90z ThinkCentre and found them to be well-suited to touch screen use.