Microsoft has released Space by GTGraphics themepack for Windows 7 and it is now available for download. Created by Tobias Roetsch and Jeff Michelmann, this theme brings the outer reaches of Space to your Windows desktop.
If you are a 'Space' aficionado you definitely want to check this one out!
Send your desktop to the furthest reaches of the universe with these fantastic photorealistic images of distant planets and outer space events by GTGraphics in this free Windows 7 theme.
Windows 7 themes can only be used in Windows 7 Home Premium, Professional, Enterprise, or Ultimate editions.
Download Page.
If you want to just use the wallpapers, you can also extract the wallpapers and use them separately. Also learn how to make a Windows 7 themepack if you dont know yet, how to.