Solar Model's main window allows displays a 3D model of the solar system from different perspectives. 

The System Information feature shows various details of your system, including the number of polygons drawn, the renderer and the processor speed. 

In the Camera window you can select the perspective that you want to view: the planet/star to look from and the one to look at. 

If you press the Galaxy button, Solar Model will show you a 3D view of the Milky Way galaxy and if you click the image a description of the galaxy will be shown. 

The Options window allows you to customize the application's behavior according to your needs and preferences.