Make Galaxies Colide with Universe Sandbox

This software gives you the ultimate power! Spawn massive stars, launch asteroids, and manipulate gravity with just a few clicks. 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 rip the planets from their orbits. The free forever version allows you to explore and discover any simulation. Optionally you can upgrade to to the premium version for unlimited control.

You can:
- Explore our Solar System
- Blow up moons
- Play Pool in zero gravity
- Rip Saturns rings apart in 3D
- Destroy our Solar System with a single rogue star
- View the paths of hundreds of asteroids and moons
- Compare the moons and dwarf planets
- Make a football orbit a bowling ball