Celestia is a real-time space simulation that lets you experience our universe in three dimensions. Unlike most planetarium software,
Celestia doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy. All travel in
Celestia is seamless; the exponential zoom feature lets you explore space across a huge
...Licence : GPLKeywords : space, planetarium, simulator 
Take our 
