Stellarium is out of this world computer software that will provide a three dimensional (3D) realistic view of the sky and all it contains. View over 600,000 different stars or upgrade and have access to over 200 million. This application includes grids of the equator, eclipse simulation and various landscapes that you can customize according to your own personal preference. Features full screen and projection modes which allow a 360 degree panoramic view. Zoom in and out to view an authentic representation of the Milky Way. Stellarium works with Microsoft Windows 98, 2000, XP and Vista operating systems and can be downloaded free of charge. Versions are also available for Mac and Linux users to enjoy. Whoever thought that you could have an entire planetarium in the comforts of your very own home.