Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
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Sites and apps similar to Gravity Simulator include Celestia, which is free and open source. Other options are Universe Sandbox, Mitaka and Spatial Portal. In total there are four Star Maps like Gravity Simulator for Windows, Linux, Mac, Android and iPhone.
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.




Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.


Mitaka is software for visualizing the known Universe with up-to-date observational data and theoretical models. Mitaka users can seamlessly navigate through space, from the Earth to the edges of the known Universe.




Set up a Portal in your real-life room, and seamlessly step into any spatial worlds you create with AI.



