Universe Sandbox · Premium Quality

Once your planets are in orbit, you can flesh out their history.

Adjust the axial tilt to create extreme seasons or "tidally lock" a planet so one side is always burning and the other is always frozen. 3. Add the Details (Moons, Rings, and Life) universe sandbox

Here is how you can put together a story using the tools available in the simulation: 1. Set the Stage (The Star) Once your planets are in orbit, you can

Every cosmic story needs a center. You can begin by adding a to an empty simulation. Once your planets are in orbit