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Atheist gets her PhD in astronomy and astrophysics and finds evidence for God

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Christianity and the progress of science
Christianity and the progress of science

Christian apologist Terrell Clemmons tweeted this testimony by Sarah Salviander, a research scientist in astronomy and astrophysics at the prestigious University of Texas at Austin.

Dr. Salviander writes:

I was born in the U.S., but grew up in Canada. My parents were socialists and political activists who thought British Columbia would be a better place for us to live, since it had the only socialist government in North America at the time. My parents were also atheists, though they eschewed that label in favor of “agnostic.” They were kind, loving, and moral, but religion played no part in my life. Instead, my childhood revolved around education, particularly science. I remember how important it was to my parents that my brother and I did well in school.

I just want to point out that I hope that all you Christian parents are taking seriously the obligation to make your kids do well in school, because even if they start out as atheists when they are young, they can still find their way back to God through study, as Sarah did.

She had a bad start, that’s for sure:

I grew up in the 1970s and 1980s, a time when science fiction was enjoying a renaissance, thanks largely to the popularity of Star Wars. I remember how fascinated I was by the original Star Wars trilogy. It had almost nothing to do with science—it’s more properly characterized as space opera—but it got me thinking about space in a big way. I also loved the original Star Trek, which was more science fiction. The stoic and logical character of Mr. Spock was particularly appealing to me. Popular science was also experiencing a renaissance at that time, which had a lot to do with Carl Sagan’s television show, Cosmos, which I adored. The combination of these influences led to such an intense wonder about outer space and the universe, that by the time I was nine years old I knew I would be a space scientist someday.

Canada was already post-Christian by the 1970s, so I grew up with no religion. In retrospect, it’s amazing that for the first 25 years of my life, I met only three people who identified as Christian. My view of Christianity was negative from an early age, and by the time I was in my twenties, I was actively hostile toward Christianity. Looking back, I realized a lot of this was the unconscious absorption of the general hostility toward Christianity that is common in places like Canada and Europe; my hostility certainly wasn’t based on actually knowing anything about Christianity. I had come to believe that Christianity made people weak and foolish; I thought it was philosophically trivial. I was ignorant not only of the Bible, but also of the deep philosophy of Christianity and the scientific discoveries that shed new light on the origins of the universe and life on Earth.

She documents a phase of following Ayn Rand and embracing “Objectivism”, but eventually she rejects it for failing to answer the big questions of life.

More:

I began to focus all of my energy on my studies, and became very dedicated to my physics and math courses. I joined campus clubs, started to make friends, and, for the first time in my life, I was meeting Christians. They weren’t like Objectivists—they were joyous and content. And, they were smart, too. I was astonished to find that my physics professors, whom I admired, were Christian. Their personal example began to have an influence on me, and I found myself growing less hostile to Christianity.

This is why I think it is so important for Christian parents to raise their children to get advanced degrees… either to become professors themselves, or to finance others (e.g. – our own children) to do advanced degrees. It is so important for university students to see Christian professors on campus. And failing that, it’s important that we bring Christian speakers in to debate non-Christian speakers on the important issues. This will not happen unless we recognize how important it is, and then make a plan to achieve it.

More:

I had joined a group in the Center for Astrophysics and Space Sciences (CASS) that was researching evidence for the big bang. The cosmic background radiation—the leftover radiation from the big bang—provides the strongest evidence for the theory, but cosmologists need other, independent lines of evidence to confirm it. My group was studying deuterium abundances in the early universe. Deuterium is an isotope of hydrogen, and its abundance in the early universe is sensitive to the amount of ordinary mass contained in the entire universe. Believe it or not, this one measurement tells us whether the big bang model is correct.

If anyone is interested in how this works, I’ll describe it, but for now I’ll spare you the gruesome details. Suffice it to say that an amazing convergence of physical properties is necessary in order to study deuterium abundances in the early universe, and yet this convergence is exactly what we get. I remember being astounded by this, blown away, completely and utterly awed. It seemed incredible to me that there was a way to find the answer to this question we had about the universe. In fact, it seems that every question we have about the universe is answerable. There’s no reason it has to be this way, and it made me think of Einstein’s observation that the most incomprehensible thing about the world is that it’s comprehensible. I started to sense an underlying order to the universe. Without knowing it, I was awakening to what Psalm 19 tells us so clearly, “The heavens declare the glory of God; the skies proclaim the work of his hands.”

That summer, I’d picked up a copy of The Count of Monte Cristo by Alexandre Dumas and was reading it in my off hours. Previous to this, I’d only known it as an exciting story of revenge, since that’s what the countless movie and TV adaptations always focused on. But it’s more than just a revenge story, it’s a philosophically deep examination of forgiveness and God’s role in giving justice. I was surprised by this, and was starting to realize that the concept of God and religion was not as philosophically trivial as I had thought.

All of this culminated one day, as I was walking across that beautiful La Jolla campus. I stopped in my tracks when it hit me—I believed in God! I was so happy; it was like a weight had been lifted from my heart. I realized that most of the pain I’d experienced in my life was of my own making, but that God had used it to make me wiser and more compassionate. It was a great relief to discover that there was a reason for suffering, and that it was because God was loving and just. God could not be perfectly just unless I—just like everyone else—was made to suffer for the bad things I’d done.

The Count of Monte Cristo is one of my favorite, favorite books as well, and had the same impact on me as it did on her.

OK, that’s enough for this post. Go read the rest, and please share it.

I spoke to her recently and she told me that she is working on several projects that are designed to get people more familiar with science and Bible issues. This woman is an expert Christian apologist and her life will have an influence. Are you going to be like her? Will you mentor others to be like her? Will you marry someone like her? Will you raise children who are like her? I think we should all have a plan to study the areas that are important and have an influence for God with what we learn.

Positive arguments for Christian theism

Podcasts

If unborn babies don’t have consciousness or don’t feel pain, may we kill them?

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Unborn baby scheming about pro-life apologetics
Unborn baby scheming about pro-life apologetics

Was having a conversation by e-mail yesterday with a pro-abortion atheist, and he gave two reasons why he supported abortion in the first and second trimester. First, he said that unborn babies can’t feel pain, so it’s OK to kill them. Second, he said that unborn babies don’t have consciousness, so it’s OK to kill them. I thought it might be useful to link to something that answers both of these objections.

Frank Beckwith is the author of “Defending Life: A Moral and Legal Case Against Abortion Choice“. He wrote that book for Cambridge University Press, a top academic press. But before Cambridge University Press, Beckwith wrote four easy-to-understand essays for the Christian Research Journal. Part IV is the one that has the response to the two questions raised by my atheist friend.

Part I. The Appeal to Pity

Part II. Arguments from Pity, Tolerance, and Ad Hominem

Part III. Is The Unborn Human Less Than Human?

Part IV. When Does a Human Become a Person?

Excerpt:

Some ethicists argue that the unborn becomes fully human sometime after brain development has begun, when it becomes sentient: capable of experiencing sensations such as pain. The reason for choosing sentience as the criterion is that a being that cannot experience anything (i.e., a presentient unborn entity) cannot be harmed. Of course, if this position is correct, then the unborn becomes fully human probably during the second trimester and at least by the third trimester. Therefore, one does not violate anyone’s rights when one aborts a nonsentient unborn entity. [13]

There are several problems with this argument. First, it confuses harm with hurt and the experience of harm with the reality of harm. [14] One can be harmed without experiencing the hurt that sometimes follows from that harm, and which we often mistake for the harm itself. For example, a temporarily comatose person who is suffocated to death “experiences no harm,” but he is nevertheless harmed. Hence, one does not have to experience harm, which is sometimes manifested in hurt, in order to be truly harmed.

Second, if sentience is the criterion of full humanness, then the reversibly comatose, the momentarily unconscious, and the sleeping would all have to be declared nonpersons. Like the presentient unborn, these individuals are all at the moment nonsentient though they have the natural inherent capacity to be sentient. Yet to countenance their executions would be morally reprehensible. Therefore, one cannot countenance the execution of some unborn entities simply because they are not currently sentient.

Someone may reply that while these objections make important points, there is a problem of false analogy in the second objection: the reversibly comatose, the momentarily unconscious, and the sleeping once functioned as sentient beings, though they are now in a temporary state of nonsentience. The presentient unborn, on the other hand, were never sentient. Hence, one is fully human if one was sentient “in the past” and will probably become sentient again in the future, but this cannot be said of the presentient unborn.

There are at least three problems with this response. First, to claim that a person can be sentient, become nonsentient, and then return to sentience is to assume there is some underlying personal unity to this individual that enables us to say that the person who has returned to sentience is the same person who was sentient prior to becoming nonsentient. But this would mean that sentience is not a necessary condition for personhood. (Neither is it a sufficient condition, for that matter, since nonhuman animals are sentient.) Consequently, it does not make sense to say that a person comes into existence when sentience arises, but it does make sense to say that a fully human entity is a person who has the natural inherent capacity to give rise to sentience. A presentient unborn human entity does have this capacity. Therefore, an ordinary unborn human entity is a person, and hence, fully human.

Second, Ray points out that this attempt to exclude many of the unborn from the class of the fully human is “ad hoc and counterintuitive.” He asks us to “consider the treatment of comatose patients. We would not discriminate against one merely for rarely or never having been sentient in the past while another otherwise comparable patient had been sentient….In such cases, potential counts for everything.” [15]

Third, why should sentience “in the past” be the decisive factor in deciding whether an entity is fully human when the presentient human being “is one with a natural, inherent capacity for performing personal acts?” [16] Since we have already seen that one does not have to experience harm in order to be harmed, it seems more consistent with our moral sensibilities to assert that what makes it wrong to kill the reversibly comatose, the sleeping, the momentarily unconscious, and the presentient unborn is that they all possess the natural inherent capacity to perform personal acts. And what makes it morally right to kill plants and to pull the plug on the respirator-dependent brain dead, who were sentient “in the past,” is that their deaths cannot deprive them of their natural inherent capacity to function as persons, since they do not possess such a capacity.

These four essays are a very good introduction to common responses to pro-abortion arguments. I recommend that people get familiar with this, as once you look into it, you will see that the abortion issue can be debated with as much confidence as William Lane Craig defends Christian theism. You will have the same access to scientific evidence and rational arguments on this topic, and so you will have the upper hand. And that’s fun.

The best introductory book on the abortion / right to life issue is “The Case for Life” by pro-life debater Scott Klusendorf. The best comprehensive book is a tie between “The Ethics of Abortion” by Christopher Kaczor, and Frank Beckwith’s “Defending Life: A Moral and Legal Case Against Abortion Choice“.

Polemics

Luke Barnes discusses the fine-tuning of the fine structure constant

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Fine-tuning of the strong nuclear force and the fine structure constant
Fine-tuning of the strong nuclear force and the fine structure constant

Here is an article from The New Atlantis written by cosmologist Luke Barnes about one specific example of cosmic fine-tuning. (H/T Uncommon Descent via J. Warner Wallace tweet)

Excerpt:

Today, our deepest understanding of the laws of nature is summarized in a set of equations. Using these equations, we can make very precise calculations of the most elementary physical phenomena, calculations that are confirmed by experimental evidence. But to make these predictions, we have to plug in some numbers that cannot themselves be calculated but are derived from measurements of some of the most basic features of the physical universe. These numbers specify such crucial quantities as the masses of fundamental particles and the strengths of their mutual interactions. After extensive experiments under all manner of conditions, physicists have found that these numbers appear not to change in different times and places, so they are called the fundamental constants of nature.

These constants represent the edge of our knowledge. Richard Feynman called one of them — the fine-structure constant, which characterizes the amount of electromagnetic force between charged elementary particles like electrons — “one of the greatest damn mysteries of physics: a magic number that comes to us with no understanding by man.”

[…]A universe that has just small tweaks in the fundamental constants might not have any of the chemical bonds that give us molecules, so say farewell to DNA, and also to rocks, water, and planets. Other tweaks could make the formation of stars or even atoms impossible. And with some values for the physical constants, the universe would have flickered out of existence in a fraction of a second. That the constants are all arranged in what is, mathematically speaking, the very improbable combination that makes our grand, complex, life-bearing universe possible is what physicists mean when they talk about the “fine-tuning” of the universe for life.

Atheists, both rank-and-file and expert, almost universally misunderstand the fine-tuning argument. They imagine that if the constants and quantities specified at the origin of the universe were different, then humans would just have green skin, or maybe forehead ridges, or pointy ears. Atheists tend to get their view of science from science fiction in novels or television or movies. Just this week I was talking to an agnostic woman (who since reverted to atheism) and brought up the fine-tuning argument. And she said “well, maybe if the initial constants and quantities were different, then we would have evolved differently”. No, the whole point is that life of any conceivable kind becomes impossible if the constants and quantities are altered higher or lower. Even slightly. It’s not that you have green skin, pointy ears, and forehead ridges. It’s that you have a universe that recollapses into a hot fireball, or contains only hydrogen, or does not form stars and planets at all.

I got the impression that she hadn’t read anything about the fine-tuning from peer-reviewed scientific publications, but had just read popular responses to it from atheists with degrees in English and drama and philosophy. If you want to understand a scientific argument, then you have to go to the scientific publications, and read the science. Here is an excellent start, from two astrophysicists, and published by Cambridge University Press.

So what does the scientific evidence actually show?

Barnes explains:

The strong nuclear force, for example, is the glue that holds protons and neutrons together in the nuclei of atoms. If, in a hypothetical universe, it is too weak, then nuclei are not stable and the periodic table disappears again. If it is too strong, then the intense heat of the early universe could convert all hydrogen into helium — meaning that there could be no water, and that 99.97 percent of the 24 million carbon compounds we have discovered would be impossible, too. And, as the chart to the right shows, the forces, like the masses, must be in the right balance. If the electromagnetic force, which is responsible for the attraction and repulsion of charged particles, is too strong or too weak compared to the strong nuclear force, anything from stars to chemical compounds would be impossible.

Stars are particularly finicky when it comes to fundamental constants. If the masses of the fundamental particles are not extremely small, then stars burn out very quickly. Stars in our universe also have the remarkable ability to produce both carbon and oxygen, two of the most important elements to biology. But, a change of just a few percent in the up and down quarks’ masses, or in the forces that hold atoms together, is enough to upset this ability — stars would make either carbon or oxygen, but not both.

It’s very important that theists are well-equipped to explain how individual cases of fine-tuning work. We need to know what you lose if you alter these constants and quantities even slightly. You can read about some more examples in this previous post.