Atlas of Space is described as 'Welcome to the Atlas of Space — an interactive visualization to explore the planets, moons, asteroids, and other objects in the Solar System' and is a Star Map in the education & reference category. There are more than 50 alternatives to Atlas of Space, not only websites but also apps for a variety of platforms, including iPhone, iPad, Android, Windows and Android Tablet apps. The best Atlas of Space alternative is Stellarium, which is both free and Open Source. Other great sites and apps similar to Atlas of Space are Celestia, Sky Map, KStars and Space Engine.