What is Universe Sandbox 2?
Universe Sandbox 2 is a physics based space simulator.
Create, destroy, and interact on a scale you've never before imagined.
Shoot asteroids at the Earth or cause a run away greenhouse effect. Rip apart the rings of Saturn or blow up the Sun.

Ultimate Power
- Spawn massive stars, launch asteroids, and manipulate gravity with just a few clicks.

Fun & Interactive
- Explore our universe through unlimited experimentation.

Easy to Use
- Intuitive, game inspired controls make creation and destruction effortless.

Real Physics
- Use Newton's law of gravity to simulate the motions of the planets, moons, and stars.

If you like the game, support the developer, buy it! 
http://universesandbox.com/2