Why the cosmological constant is what it is.

“Einstein once said, “What really interests me is whether God had any choice in the creation of the world. This is a fundamental question.  Compared to this question, all others seem trivial. Yes, God would have had many choices if He had wanted to create a barren universe. However, in order to create a universe … Read more

Fire or ice how will our universe end?

Before the discovery of Dark Energy cosmologists had two models of how the universe’s expansion would end. In first scenario, there would be enough matter in the universe to slow the expansion to the point it would come to a halt and gravitational forces would  cause it to begin contracting which eventually would result in … Read more

Gravity or dark energy: which one will win?

Before the discovery of Dark Energy cosmologists had two models of how the universe’s expansion would end. In first scenario, there would be enough matter in the universe to slow the expansion to the point where, like the baseball, it would come to a halt and the gravitational forces associated with it would result in … Read more