| PlanetFinder Planetfinder allows users to browse through the 
                                data base of star systems with known planets. 
                                The systems can be filtered based on a variety 
                                of criteria (solar mass, stars visible from earth, 
                                etc.). Users can even (and this is the cool part), 
                                zoom into a chosen system and view the planets 
                                as orbit the star. Explore the planets of the known universe in 
                                this interactive 3D application. |