Wednesday, January 29, 2014

The Universe Is Inflating Like the Surface of a Balloon

In my MCCC Philosophy of Religion classes I present the Kalam Cosmological Argument for God's existence. This is an evidential argument, the piece of evidence being a universe that began to exist.

Big Bang cosmology supports this. The universe is expanding, like a balloon. In class I explain the basic physics of this. Here's a drawing to illustrate.

The conventional model of cosmology is that most galaxies recede from one another as space itself inflates like the surface of a balloon — which would explain why other galaxies appear redshifted from our own galaxy's point of view.