How to emit two partcle systems in one particle emmiter

I have a scrpt(which is the one below) and it works great but I need to know how to make it so it emits to partcle systems on the collision. Or if you know how to make a partcle emmiter emit two different particles at the same time, then that will work too.

var stars : ParticleEmitter;

function OnCollisionEnter (col : Collision) {
Instantiate(stars, transform.position, transform.rotation);
Destroy(gameObject);
}

The line Instantiate(stars, transform.position, transform.rotation); is spawning the emitter. It finds the emitter through the public stars variable that you made and dragged a prefab particleEmitter into.

Just setup a different emitter (stars2?) and spawn it the same way.