This screensaver is an outstanding 3D model of the solar system. Every planet is there along with its satellites and even a small info graph with basic facts. All the proportions and trajectories are right. You get to float through some of the best known constellations like the Big Dipper and get a great view of the Milky Way. It’s not only the sheer beauty but also the educational content that make Space Exploration 3D Screensaver an absolute must-have.