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Universe and Multiverse, Part 2

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April 2, 2012 Tags: Earth, Universe & Time

Today's entry was written by Gerald Cleaver. Please note the views expressed here are those of the author, not necessarily of The BioLogos Foundation. You can read more about what we believe here.

Universe and Multiverse, Part 2
Example of a Calabi-Yau manifold. Image courtesy Wikipedia commons.

Note: This essay is Part 2 of a series from Gerald Cleaver’s chapter in the book Delight in Creation: Scientists Share Their Work with the Church, edited by Deborah Haarsma & Scott Hoezee and published by the Center for Excellence in Preaching at Calvin College, Grand Rapids, Michigan. Another version of the essay appeared at the Ministry Theorem, as part of their “What I Wish My Pastor Knew About. . .” series. In Part 1, Cleaver described his own path to science through the Church. Today, he suggests that fellow Christians should seek to reconcile science and the Scriptures, and begins a short history our changing views of cosmology.

Advice for Christians

My path to a Christian vocation as a scientist is not unique. While each of our lives is different, I know from conversations with numerous Christian colleagues that they faced similar quandaries regarding apparent conflicts between scripture and science. In many Protestant churches I have encountered Christians who fear science because of this seeming conflict. On the other hand, I have also encountered Christians with a desire to better understand modern science and its interplay with scripture, but little opportunity to do so. Likely there are some scientists or young people in your congregation dealing with similar issues.

I encourage churches to develop and teach a consistent Christian worldview in which scientific and theological understandings of the universe are viewed as mutually supportive and complementary. The historic “two books” view of nature and scripture reminds us that God’s revelation comes not just through the Bible, but through the physical world as God’s book of general revelation to us. In line with Augustine, Aquinas, and Pascal, we must not reject outright the testimony of scientists, since they speak truths about God’s creation. Nor can we afford to ignore the controversial aspects of this debate. Churches should instead invite scientists who are Christian to share their knowledge with the congregation and come alongside them to wrestle with difficult passages. Churches can lead in-depth studies of the scriptures, helping everyone to better understand the historical aspects and cultural milieu of the text. Often a misunderstanding of the context can create a false conflict between scripture and science.

Churches can also remind Christians of the many ways that science enhances faith. Learning about science and scientific discovery can deepen our understanding of God’s creation and of God’s creative nature. It can renew and deepen our awe and reverence for God. Science can also shed new light on scripture and on theological issues. In the rest of this essay, I want to share with you the beauty, order, and wonder of creation displayed in my own field, elementary particle physics and cosmology. In order to understand these discoveries, I will start with a brief history of the human views of the universe.

Expanding Views of the Universe

Over the last few thousand years, the human perception of physical reality has gone through several stages. Each shift has illuminated a larger, grander creation, and for Christians, each advance should signify a fuller representation of God’s eternal power. The Middle Eastern world of one to two millennia B.C. perceived reality essentially as a three-tiered structure (Fig. 1). Center stage was the flat surface of the earth and the ground below containing the underworld of the dead (e.g., the Sheol of the Old Testament). Beneath this level was a primeval ocean upon which the earth floated and into which the pillars of the earth descended. Far above were the split levels of the heavens: the firmament of the stars and the sun and moon and the watery expanse of the heavens kept separated above by a cover (as in Gen. 1:7), and often beyond that was the heaven of heavens. This was the setting in which Genesis 1 was written.

The Greek civilization brought about a significant paradigm shift, one that lasted almost one and a half millennia—the geocentric picture, in which both the sun and the other planets were believed to orbit around the earth (Fig. 2).

Then, in the 1600s astronomical discoveries by scientists such as Galileo resulted in the realization that the earth and all of the rest of the planets orbit the sun. Thus was born the heliocentric era. Simultaneously, the law of gravity was developed by Isaac Newton and proven to apply both on the earth and throughout the whole heliocentric system (Fig. 3).

By the 1800s, astronomers discovered the existence of gaseous nebula beyond the solar system and found that our sun was but one of hundreds of billions of stars within the so-named Milky Way galaxy. Thus, a galacticentric perception replaced the heliocentric (Fig. 4). Our galaxy and its contents were believed to compose the entirety of the universe.

By the 1920s, many of the objects identified during the preceding century as “spiral nebulae” inside our Milky Way galaxy were discovered by astronomers such as Edwin Hubble to be independent galaxies, located vast distances (millions to billions of light years) away from the Milky Way and of comparable size to it. Thus, after little more than a century the galacticentric paradigm was transformed into a univercentric paradigm, with our universe comprising the entire stage (Fig. 5). Over the following decades, around a trillion visible galaxies were identified in our visible universe, each possessing hundreds of billions to trillions of stars (Fig. 6).

In the next installment, Cleaver follows up this quick walk through the history of cosmology with a discussion of its next, modern stages, when scientists began to ask anew, “How came the universe?”


Gerald Cleaver is an Associate Professor of Physics at Baylor University. He is a member of the Physics Department's High Energy Physics group and also heads the Early Universe Cosmology and String Theory division of Baylor's Center for Astrophysics, Space Physics, and Engineering Research. Gerald earned his Ph.D. at Caltech in 1993, where he studied under John H. Schwarz, one of the founders of string theory. His research interests focus on elementary particles, fundamental forces, and superstring theory. His hobbies include radio-controlled model aviation, small-boat sailing, and tae kwon do.

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beaglelady - #68807

April 2nd 2012

Superb post! So discovering more universes would not be without precedent. It’s bigger out there than we could ever have imagined.  Here’s a fascinating video from the American Museum of Natural History on the known universe:

http://www.youtube.com/watch?v=17jymDn0W6U


Ronnie - #68923

April 7th 2012

The video is fascinating even though it assumes an evolutionary timescale. It is bigger out there than we can imagine because we have a God who is bigger (greater) than we can imagine. I agree that the mulitple universe theory may not be without precedent, but come on…seems to be no limit to some peoples imaginations.


Roger A. Sawtelle - #68918

April 7th 2012

However there would seem to be a limit somewhere, somehow.

Also some versions od multiverse theory makes history absurd, which makes no sense. 


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