Universe Sandbox May 2026

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

Will it be a stable yellow dwarf like our Sun, or a volatile blue giant ? universe sandbox

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) Once your planets are in orbit, you can

Use the Habitable Zone view (shortcut 'H') to see where liquid water can exist. Once your planets are in orbit

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

In the , planets aren't just static spheres; they are made of 12 distinct materials , including iron, silicate, water, and hydrogen.