Currently Microsoft have about 20 terabytes of data that make up the visual experience, which will be updated on a regular basis. This equates to about 1.2 million books.
One of the features that Microsoft has been keen on is the ability for anyone from professional astronomers to amateur viewers to be able to use the software. This should enable the tool as a teaching aid to school children and other novices.
This is what Dr Roy Gould of the Harvard-Smithsonian Centre for Astrophysics had to say about the new software tool.
"Galileo's telescope started to give us views of the universe that no one elseI cant wait to get this going and see if it is as good as its supposed to be.
had seen before and we started asking what was out there and why. And I think
the WorldWide Telescope is going to do the same thing for the rest of us, In terms of pushing the envelope, this really pushes the envelope."