[keskival]

I suppose in the real world such stars would collide in the center of the sphere and possibly form a black hole before achieving the required density approaching infinity, and also catapult stars out so that they leave the system by exceeding the escape velocity without encountering an elastic wall returning them to the system.

[pdonis]

> in the real world such stars would collide in the center of the sphere and possibly form a black hole

Yes, the article mentions that towards the end.

[xbar]

“Things only get messier from here.”