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How Do We Know the Earth is Old? (Infographic)
The BioLogos Forum is pleased to present this infographic about the tools scientists use to determine the age of the Earth. The graphic, titled "How Do We Know the Earth is Old?", uses data compiled and summarized by geology professor Dr. Gregg Davidson.
God's Use of Time
I find that when many Christians think about the way God created our universe, they often bring a static expectation similar to what we bring to an ordinary statue. It’s as if we assume the physical realm were merely a rigid three-dimensional sculpture, immovable with time.
When Appearances Are Deceiving
“That just doesn’t sound right.” Ever since I was a kid, that was my gut reaction to those well-meaning people in my church and school who told me that despite what many in the sciences were saying, the earth and the entire universe were actually of relatively recent manufacture.
Series: The Biblical Premise of Uniformitarianism
In this three part series, geologist Stephen Moshier critiques John MacArthur’s articles on uniformitarianism, while offering an alternative perspective on the principle. He exposes faulty conceptions about and misleading definitions of uniformitarianism. Gregory Bennett further defends the idea of an old earth as Biblical and focuses on the unchanging nature of God. He also discusses the Scriptural doctrines of creation and God’s providence.
How are the ages of the Earth and universe calculated?
Many independent measurements have established that the Earth and the universe are billions of years old. Geologists have found annual layers in glaciers that can be counted back 740,000 years. Using the known rate of change in radio-active elements (radiometric dating), some Earth rocks have been shown to be billions of years old, while the oldest solar system rocks are dated at 4.6 billion years. Astronomers use the distance to galaxies and the speed of light to calculate that the light has been traveling for billions of years. The expansion of the universe gives an age for the universe as a whole: 13.7 billion years old.
(Updated April 16, 2012)
Series: It's an Old World After All
In our sixth BioLogos videocast, we take a look at the age of the Earth. We explain four methods scientists have used to determine that age: tree ring, lake varve, radiometric, and seafloor spread dating, and also offer some theological insight on how an old earth can fit with the first chapters of Genesis.
The Questions Update: The Age of the Earth
We've recently been looking at the evidence for an old earth and the long history and vibrancy of this view among evangelical Christians. Today’s post features a preview of the updated Question, “How are the ages of the Earth and universe calculated?" revised by Senior Web Consultant and Writer Deborah Haarsma.
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Scientists Tell Their Stories: George Murphy
During his seminary education, Dr. Murphy also gained a deeper understanding of Luther’s theology of the cross, and he realized that it’s really the best way to approach the science and theology dialogue.
Series: Recent Discoveries in Astronomy
In this excerpt from the book Delight in Creation: Scientists Share Their Work with the Church, astronomer Deborah Haarsma shares her excitement about recent findings about our universe from a Christian perspective.
Series: Biblical and Scientific Shortcomings of Flood Geology
Gregg Davidson and Ken Wolgemuth seek to remove the stumbling block of the Genesis flood in this four part series. Though many believe in an ancient world-wide flood, the evidence given does not hold up to geological scrutiny, but points rather to something regional instead. It is their hope that Christians will not walk away from faith in Christ simply because a global flood is not supported by science. Looking at natural phenomena like the Grand Canyon, salt beds, and fossil deposits, they reveal reasons for these deposits and structures while showing that their origin did not stem from a violent flood that covered the planet.
What is the Higgs Boson?
At a press conference on July 4, 2012, and with 99.99994% confidence (5 sigma), CERN announced the discovery of a particle consistent with that of a Higgs boson (a.k.a. “the God particle”). This is very exciting for elementary particle physicists. But what is the Higgs particle, and what is its meaning?
Naming 'the God Particle'
The discovery of the Higgs boson would certainly be a breakthrough for particle physics and cosmology, but would such a finding also radically redefine theology’s understanding of God or challenge the existence of such a deity? Is there actually any theological or religious significance in Higgs physics at all?
Series: Universe and Multiverse
Baylor University Physicist Gerald Cleaver describes the changing state of our understanding of the cosmos and suggests ways that Christians can make theological sense of a theoretical Multiverse.
Series: Creation, Evolution, and Christian Laypeople
The six-part series by Dr. Keller considers three main clusters of questions lay people raise with their pastors when introduced to the teaching that biological evolution and biblical orthodoxy can be compatible. As a pastor and evangelist, Keller takes these concerns seriously and offers suggestions for addressing them without requiring believers to adopt a particular view or accept a definitive answer.
The Crutch
Providing the crutch for non-believers to lean on is a well-intentioned strategic error that has no benefit and likely does much harm. However, I am even more concerned about something else related to our construction of these crutches.
Does the Slippery Slope Always Go to the Left?
In this video Conversation, N.T. Wright responds to a question from a BioLogos Forum reader who notes that in the world of evangelical Christianity there seems to be a great suspicion about becoming too politically liberal, but few worries about becoming too conservative.
The Danger of Preaching on Genesis
In this video Conversation, Joel Hunter acknowledges the risk that pastors take when preaching on Genesis—and in particular, when they approach it with an attitude of humility, allowing the possibility that the text was not meant to be understood in literal terms.
The Benefit of Doubt
But like a church bell on a clear winter night, it is in the crisp darkness of doubt that God’s voice carries farther and more clearly. St. John’s great insight is that this dark night is a special sign of God’s presence, where our false sense of comfort is being stripped away and we are left naked before God and asked simply to trust.
Series: Science and the Evangelical Mission in America
In this three part series, Pastor Ken Wilson of Vineyard Church in Ann Arbor, Michigan, exhorts his fellow evangelical believers to reexamine their uncomfortable feelings toward modern science. He calls churches to confront the brutal facts. By maintaining a defensive position toward science, he says, evangelicals are creating a stumbling block to some people who would otherwise embrace the Bible. He reflects on the numerous testimonies from people in his own congregation who have drawn near to Christ because of his open perspectives on science and faith. Ultimately, it is most important to reach the designated mission field.
Evidences for Evolution, Part 1: An Ancient Earth
The only conclusions in science which are widely accepted are those which are supported by multiple, reinforcing lines of evidence – “all roads must lead to Rome”. If there is even one scientific trajectory that seems to clearly lead off to Peoria instead of Rome, the scientific process demands that the scientist find out why.
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