Stellarium Portable

Stellarium will impress both astronomy fans as well as those who aren't familiar with this field. As it's name indicates, Stellarium is a spectacular planetarium, very complete and above all, free. The program incorporates more than 120.000 stars, planets, constellations, nebulae, various effects, etc. Stellarium also has a complete navigation system and a complete customizable visualization of the Earth. Furthermore, it combines a powerful database of the sky with photo-realistic visualization options. In only 40MB you will have a complete compendium of the sky and a different way of gazing at the stars. In addition, thanks to this portable version, you can enjoy the original program in any device with no need of having it installed.