Are you fascinated about the universe? If so, this is an awesome free Windows 7 theme that will send your desktop to the furthest reaches of the universe. Space by GTGraphics theme comes with 16 of amazing photorealistic wallpapers — digital paintings — from distant planets and outer space.
If you would like to get to know the story of these wallpapers and its artist visit the Windows Experience Blog. And to find more great themes for Windows 7 visit the Microsoft Personalization Gallery.