Description
Want to break free of the ground and fly to Mars, Saturn's rings, or beyond the galaxy yourself? Celestia lets you fly freely through a to-scale universe—based on real celestial data, travel from Earth to any planet, moon or star, speeding up or reversing time to watch orbits and eclipses. Free and open source, a space sandbox for astronomy fans and science education.
Free roaming: fly freely through the solar system and galaxy.
Real data: based on real planet and star positions and orbits.
Time control: speed up or reverse time to watch motion.
Cross-platform: free and open source, with many add-ons.
Features
Free roaming: fly freely through the solar system and galaxy.
Real data: based on real planet and star positions and orbits.
Time control: speed up or reverse time to watch motion.
Cross-platform: free and open source, with many add-ons.
