Win98/ME/2000/XP. 1st Light is a fully interactive 3D solar system creation tool and screensaver. The free version is fully functional for viewing and allows users to view and load any solar system. The paid version allows users to create their own solar system with any number of planets and moons. They can also texture the solar bodies (as well as the enclosing universe), and apply lighting, highlights, atmospheres and all their characteristics.
