Energy

What does the Beginning of the Universe actually mean?

The reason as to why theists call their God spaceless, timeless and immaterial is due to the recognition of the fact that if the universe has a beginning, then that beginning can never be from a source that already contained space, time, matter and energy.

God cannot be defined, God's Attributes can only be described

Atheists sometimes object that there is no clear definition of a god/God. Here I want to say very clearly that God cannot be defined, God's attributes can only be described. If God is the creator of the universe, then from this it follows that before creation God was alone and that there was no one else, nothing else other than God. As universe means space, time, matter and energy, so from this it follows that before creation there was no space, no time, no matter and no energy.

Can The Universe Have Non-zero Energy?

In a debate with Dr. William Lane Craig in March, 2014 theoretical physicist Sean Carroll has said the following in his opening speech:

If you have a universe that obeys the conventional rules of quantum mechanics, has a non-zero energy, and the individual laws of physics are themselves not changing with time, that universe is necessarily eternal. The time parameter in Schrödinger’s equation, telling you how the universe evolves, goes from minus infinity to infinity.1

Theories of Relativity suggest Universe has originated from Primordial Something

From Einstein’s special theory of relativity we come to know that matter and energy are equivalent. Matter is concentrated energy and energy is diluted matter. Again from GTR we come to know that space, time and matter are so interlinked that there cannot be any space and time without matter. Similarly there cannot be any matter without space and time. So we see that all these four are interlinked; we cannot think of any one of these four entities singularly, isolatedly. Whenever we will think of energy, we will have to think of matter.

Is the Total Energy of the Universe Zero?

It can be shown in some indirect way that the net energy of the universe is zero. For this, we will have to first determine as to whether the universe has a beginning in the past, or whether it has an eternal past. I think that there is a consensus among scientists that the universe is not past-eternal, but that it originated from a big bang 13.8 billion years ago. So we can say now that the universe has a beginning. Now there are only two options that can be taken into consideration while discussing the beginning of the universe. We can ask: 1) did it originate from nothing?

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