Google GLASS is one of the most exciting wearable devices around even though it is not cheap. With apps like Star Chart, you can have even more fun with your device. This astronomy app is designed to let you explore the objects in the sky via an augmented reality interface. The app covers all the visible stars of the northern and southern hemispheres, all the planets, and 88 constellations.. It provides you with audio descriptions of all the planets and many bright stars. There is a lot to like here. Just bring your GLASS, and you are ready the explore the night’s sky like never before.