"The Solar System - Explore your backyard" is a highly immersive application that illustrates rather well the vastness of the world around us. Information regarding planets, constellations and countries are available at the click of a button, and in a fashion rarely seen. Rather than simply telling you the facts, I find that it's easier to show you; This means that instead of just reading about the gravitational pull or cross section of a planet, you get to view it in 3D in real time.
This video is a quick fly-through, showing the different features available. Everything you see is 'In game'.