Evidence for the Fine Tuning of the Universe

by Rich Deem

According to Carl Sagan, the universe (cosmos) “is all that is or ever was or ever will be.” However, the idea that the universe is all is not a scientific fact, but an assumption based upon materialistic naturalism. Since Carl Sagan’s death in 1996, new discoveries in physics and cosmology bring into questions Sagan’s assumption about the universe. Evidence shows that the constants of physics have been finely tuned to a degree not possible through human engineering. Five of the more finely tuned numbers are included in the table below. For comments about what scientists think about these numbers, see the page Quotes from Scientists Regarding Design of the Universe.

The-Universe -Evidence-for-Its Fine-TuningThese numbers represent the maximum deviation from the accepted values, that would either prevent the universe from existing now, not having matter, or be unsuitable for any form of life.

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Degree of fine tuning

Recent Studies have confirmed the fine tuning of the cosmological constant (also known as “dark energy”). This cosmological constant is a force that increases with the increasing size of the universe. First hypothesized by Albert Einstein, the cosmological constant was rejected by him, because of lack of real world data. However, recent supernova 1A data demonstrated the existence of a cosmological constant that probably made up for the lack of light and dark matter in the universe.2 However, the data was tentative, since there was some variability among observations. Recent cosmic microwave background (CMB) measurement not only demonstrate the existence of the cosmological constant, but the value of the constant. It turns out that the value of the cosmological constant exactly makes up for the lack of matter in the universe.3

The degree of fine-tuning is difficult to imagine. Dr. Hugh Ross gives an example of the least fine-tuned of the above four examples in his book, The Creator and the Cosmos, which is reproduced here:

One part in 1037 is such an incredibly sensitive balance that it is hard to visualize. The following analogy might help: Cover the entire North American continent in dimes all the way up to the moon, a height of about 239,000 miles (In comparison, the money to pay for the U.S. federal government debt would cover one square mile less than two feet deep with dimes.). Next, pile dimes from here to the moon on a billion other continents the same size as North America. Paint one dime red and mix it into the billions of piles of dimes. Blindfold a friend and ask him to pick out one dime. The odds that he will pick the red dime are one in 1037. (p. 115)

The ripples in the universe from the original Big Bang event are detectable at one part in 100,000. If this factor were slightly smaller, the universe would exist only as a collection of gas – no planets, no life. If this factor were slightly larger, the universe would consist only of large black holes. Obviously, no life would be possible in such a universe…

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The Universe: Evidence for Its Fine Tuning