Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.


Cosmonium is described as '3D astronomy and space exploration program. With Cosmonium you can navigate in our solar system and discover all the planets and their moons' and is a Star Map in the education & reference category. There are more than 10 alternatives to Cosmonium for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Cosmonium alternative is Stellarium, which is both free and Open Source. Other great apps like Cosmonium are Celestia, Space Engine, Gaia Sky and Universe Sandbox.
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.


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.



Space Engine - a real-time 3D space simulator, procedural universe generator and visualiser. It lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies.



3D visualization software for ESA's (European Space Agency) Gaia mission to chart about 1 billion stars of the Milky Way Galaxy.




Universe Sandbox is an interactive space simulator for Windows based PCs.
Unlike most astronomy software that just shows you what the sky looks like or where the planets are, Universe Sandbox is a powerful gravity simulator. You can add another star to our solar system and watch.


It offers a variety of ways to view and analyse tables, including a browser for the cell data themselves, viewers for information about table and column metadata, and facilities for sophisticated interactive 1-, 2-, 3- and higher-dimensional visualisation, calculating statistics...

Space Simulator is a realistic space flight simulator for iOS and Android. It is an open-ended simulation where players can free roam Solar System or reenact historical NASA space program missions.




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




Warp to distant stars and explore various exoplanets like lava worlds, water worlds, earthlike planets or massive jovians with Stars and Planets planetarium app and astronomy guide. Space is awesome and the universe is at your fingertips!




Systems Tool Kit (STK) is a platform for analyzing and visualizing complex systems in the context of your mission. Interact with data from platforms across the aerospace, defense, telecommunications, and other industries.
The Sun's and Earth's rotation axes are both tilted with respect to the ecliptic, the plane of the Earth's orbit around the Sun.
