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How the Fine-Tuning of the Universe Points to God

by Brandon VogtJune 01, 2016

Most scientists agree that the universe seems fine-tuned for life. Fundamental values such as the speed of light, the gravitational constant, and Planck's constant seem so precisely adjusted, that even a minuscule variance in one of the them would throw off the whole universe and render life impossible—not just human life, life of any kind.

As Stephen Hawking, the atheist cosmologist, admits, "The remarkable fact is that the values of these numbers seem to have been very finely adjusted to make possible the development of life."

Paul Davies, an agnostic physicist, agrees, saying, "There is for me powerful evidence that there is something going on behind it seems as though somebody has fine-tuned nature's numbers to make the universe. The impression of design is overwhelming."

So what best explains this "fine-tuning" of the universe? Are these fundamental values necessary (i.e., they can't be anything other than what they are)? Are they arbitrary and set by chance? Or were they precisely ordered by some force or designer outside of the universe?

That question is central to the fine-tuning argument for God. Here's a brief video from William Lane Craig's Reasonable Faith ministry that sums it up:

The video presents the argument like this:

Premise 1: The fine-tuning of the universe is due either to necessity, chance, or design.
Premise 2: The fine-tuning of the universe is not due to necessity.
Premise 3: The fine-tuning of the universe is not due to chance.
Conclusion: Therefore, the fine-tuning of the universe is due to a designer.

From this we can infer that this designer must be a transcendent, supremely intelligent creator of the cosmos. That obviously doesn't prove the fullness of God, as understood by Catholics and other Christians, but it does reveal a huge slice of him—a slice far too big for any content atheist or agnostic.

About the Author

Brandon Vogt

Brandon Vogt

Brandon Vogt is the Content Director at Word on Fire Catholic Ministries. He's an award-winning writer, blogge...

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