Track noteworthy space objects in your browser in a 3D simulation of the solar system.

3D Gravity Simulator. Simulate the solar system, exoplanets and even colliding galaxies. Add, delete and modify planets, and change the laws of physics.

The Solaris Project is a collection of 3D space simulations which permit you to discover the solar system and more.

Sep 30, 2025 · Experience Earth, our solar system, nearby asteroids, the universe, and the spacecraft exploring them with immersive real-time 3D apps for Mac, PC, and mobile devices.

Discover free, browser-based space simulations. Explore planets, black holes, orbits & galaxies in real time—created using stunning 3D immersive graphics.

Sandbox Universe - Play Online Sandbox Universe is a 3D space simulator. Build star systems. Watch gravity do its work. Collisions? Black holes? All possible. Pure physics. Pure chaos. How to Play …

Celestia lets you explore our universe in three dimensions. Celestia simulates many different types of celestial objects. From planets and moons to star clusters and galaxies, you can visit every object in …

SpaceEngine is a realistic virtual Universe you can explore on your computer. You can travel from star to star, from galaxy to galaxy, landing on any planet, moon, or asteroid with the ability to explore its …

Universe Space Simulator 3D is built around a sandbox structure where the player controls large-scale space systems and observes how they react to changes.

Jan 1, 2001 · Free space simulator in your browser. Explore a galaxy map, simulate gravity and fluid physics, view realistic skies with atmospheric scattering, and learn with guided lessons.