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.


Space Engine is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is Stellarium, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Space Engine and nine of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Space Engine are Celestia, Universe Sandbox, Gaia Sky and Solar System Scope.
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.



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.


3D simulation of the Solar System and night sky - real time virtual orrery and observatory




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.




Cosmonium is a 3D astronomy and space exploration program. With Cosmonium you can navigate in our solar system and discover all the planets and their moons.




In this app you can explore almost any moon or planet of our solar system and visit remarkable nearby stars and see their location in the Milky Way. But you can also change existing bodies or add new ones and make a solar system of your own.




OpenSpace is open-source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.




I want to explore other Earth-like planets and it only seems to let you look at the night sky.