Many Christians affirm that God has given us two “books” in which he reveals himself the book of Scripture and the book of nature. The more we learn from the book of nature the more evidence we uncover for the trustworthiness and reliability of the book of Scripture. Two papers submitted to the Journal of Cosmology and Astroparticle Physics by an international team of 140 astronomers provide a recent example.1 Results from this considerable research effort deliver yet another confirmation of the biblically predicted big bang cosmic creation model.

Big Bang Parameters in the Bible
Millennia before astronomers discovered that the universe has been continuously expanding from a cosmic creation event a finite time ago, seven different Bible authors described the four most fundamental features of what is now known as the big bang model for the universe:

  1. The universe had a beginning a finite time period ago, a beginning that included the creation of space and time.
  2. The universe has been expanding since the moment it began to exist.
  3. The laws that govern the universe are unchanging.
  4. One of the laws governing the universe is a pervasive law of decay, also known as the law of entropy or the second law of thermodynamics.

Interested readers will find the biblical basis for these four features in several places2 including this online article written by theologian John Reaand me and this online article commenting on what theologians living about a millennium ago wrote.4

Tracing the Creation Event
The two papers by the 140 astronomers present results from four years of observations using the Atacama Cosmology Telescope (ACT). The ACT is located in the driest temperate region on Earth, Chile’s Atacama Desert, at an altitude of 5,190 meters (17,030 feet). The location and altitude were chosen to minimize water vapor contamination (average precipitation at the site is below 1 millimeter per year), the greatest barrier to millimeter-wavelength observations. Astronomers designed the ACT to make high-resolution maps of the cosmic microwave background radiation (CMBR), the radiation remaining from the cosmic creation event. This radiation is brightest at millimeter wavelengths, hence the need for a super-dry location. The more that astronomers are able to learn what this leftover radiation looks like, the more they will learn about features of the universe’s beginning.

With a 6-meter diameter primary mirror, the ACT ranks as the second largest telescope (the South Pole Telescope, with a similar mission, has a 10-meter diameter mirror) designed to map the CMBR (see figures 1 and 2). ACT’s goal is to map the CMBR at a resolution of about an arcminute down to a temperature sensitivity of a few millionths of a degree Celsius.

blog__inline--chilean-telescope-find-affirms-big-bang-1

Figure 1: Atacama Cosmology Telescope with Cerro Toco Mountain in the Background
Image credit: Ahinks, English Wikipedia, Creative Commons Attribution

blog__inline--chilean-telescope-find-affirms-big-bang-2

Figure 2: Atacama Cosmology Telescope Viewed from the Top of the Outer Protective Screen
Image credit: M. Devlin, University of Pennsylvania, released into the public domain

On July 16, 2020, the 140 astronomers presented arcminute resolution maps of the cosmic microwave background temperature and polarization anisotropy taken from observations made from 2013–2016. The maps cover more than 17,000 square degrees of the sky. For 600 square degrees of their maps the team achieved a temperature sensitivity well below 10 microdegrees per arcminute.

Cosmology Results
The maps produced the following cosmological results compared to results from the Planck satellite maps of the cosmic microwave background radiation. Note that the age of the universe is in billions of years; the cosmic expansion rate, a.k.a. the Hubble Constant, is in kilometers per second per megaparsec where 1 megaparsec = 3.26156 million light-years; and the cosmic density components are given as fractions of the total cosmic density.

Cosmological parameter ACT Planck ACT + Planck
age of the universe 13.832±0.047 13.791±0.025 13.791±0.021
cosmic expansion rate 67.9±1.5 67.51±0.61 67.53±0.56
dark energy density 0.696±0.022 0.6867±0.0084 0.6871±0.0078
total matter density 0.302±0.010 0.3118±0.0036 0.3115±0.0034

Astronomers appreciate maps like these of the CMBR because they provide the tightest cosmological constraints of any current data source. They reveal the state of the universe just 380,000 years after—an instant, in astronomical time—the cosmic creation event.

The researchers comment that “ACT and Planck measurements cover significantly different ranges of angular scales.”5 This means that the consistent results are even more striking. ACT offers improved E-mode polarization measurements, which is a geometric depiction of the flow of gravitational waves. Another reason for excitement is that the researchers attained one of ACT’s goals, which was to make a second, experimentally independent, set of measurements of cosmological parameters that are important for cosmic creation models based on the state of the universe when it was very young.

Big Bang Implications
The above table shows remarkable agreement between the ACT and Planck measurements. The cosmological parameters derived from the Planck maps were all consistent with the ΛCDM big bang creation model where ΛCDM implies that the universe is primarily dominated by dark energy and secondarily by cold dark matter. The ACT maps provide a second independent confirmation of the ΛCDM big bang model based on the CMBR.

When scientists achieve independent confirmations, they know a model is gaining strength. And yet, according to the international team, much more confirmation is coming. The team currently is analyzing four times as much data from observations made from 2017–2019. Beginning in 2020, the team has expanded the range of wavelengths over which they will be taking observations. By 2021, for the first time for any instrument, the cosmological constraints they can derive from polarization measurements will become more powerful than those derived from temperature measurements. This advance will provide additional consistency tests on cosmic creation models. However, already the team has provided results that demonstrate that the more we learn about the universe, the more evidence we accumulate for what the Bible has taught about the universe’s origin and history.

blog__inline--chilean-telescope-find-affirms-big-bang-3Featured image: a portion of one of the maps of the cosmic microwave background radiation observed by the Atacama Cosmology Telescope
Image credit: Atacama Cosmology Telescope collaboration

 

Check out more from Reasons to Believe @Reasons.org

Endnotes
  1. Simone Aiola et al., “The Atacama Cosmology Telescope: DR4 Maps and Cosmological Parameters,” July 14, 2020 (preprint), arXiv:2007.07288v1, https://arxiv.org/pdf/2007.07288.pdf; Steve K. Choi et al., “The Atacama Cosmology Telescope: A Measurement of the Cosmic Microwave Background Power Spectra at 98 and 150 GHz,” (July 14, 2020), arXiv:2007.07289v1, https://arxiv.org/pdf/2007.07289.pdf.
  2. Hugh Ross, The Creator and the Cosmos, 4th ed. (Covina, CA: RTB Press, 2018), 25–31; Hugh Ross, A Matter of Days, 2nd ed. (Covina, CA: RTB Press, 2015), 135–44, https://shop.reasons.org/product/280/a-matter-of-days.
  3. Hugh Ross and John Rea, “Big Bang—The Bible Taught It First!” Facts for Faith (quarter 3, 2000): 26–31, https://reasons.org/explore/publications/facts-for-faith/read/facts-for-faith/2000/07/01/big-bang-the-bible-taught-it-first!
  4. Hugh Ross, “Does the Bible Teach Big Bang Cosmology?” Today’s New Reason to Believe (blog), August 26, 2019, https://reasons.org/explore/blogs/todays-new-reason-to-believe/read/todays-new-reason-to-believe/2019/08/26/does-the-bible-teach-big-bang-cosmology.
  5. Aiola et al., “Atacama Cosmology Telescope,” 30.

 

About The Author

Dr. Hugh Ross

Reasons to Believe emerged from my passion to research, develop, and proclaim the most powerful new reasons to believe in Christ as Creator, Lord, and Savior and to use those new reasons to reach people for Christ. I also am eager to equip Christians to engage, rather than withdraw from or attack, educated non-Christians. One of the approaches I’ve developed, with the help of my RTB colleagues, is a biblical creation model that is testable, falsifiable, and predictive. I enjoy constructively integrating all 66 books of the Bible with all the science disciplines as a way to discover and apply deeper truths. 1 Peter 3:15–16 sets my ministry goal, "Always be prepared to give an answer to everyone who asks you to give the reason for the hope that you have. But do this with gentleness and respect, keeping a clear conscience." Hugh Ross launched his career at age seven when he went to the library to find out why stars are hot. Physics and astronomy captured his curiosity and never let go. At age seventeen he became the youngest person ever to serve as director of observations for Vancouver's Royal Astronomical Society. With the help of a provincial scholarship and a National Research Council (NRC) of Canada fellowship, he completed his undergraduate degree in physics (University of British Columbia) and graduate degrees in astronomy (University of Toronto). The NRC also sent him to the United States for postdoctoral studies. At Caltech he researched quasi-stellar objects, or "quasars," some of the most distant and ancient objects in the universe. Not all of Hugh's discoveries involved astrophysics. Prompted by curiosity, he studied the world’s religions and "holy books" and found only one book that proved scientifically and historically accurate: the Bible. Hugh started at religious "ground zero" and through scientific and historical reality-testing became convinced that the Bible is truly the Word of God! When he went on to describe for others his journey to faith in Jesus Christ, he was surprised to discover how many people believed or disbelieved without checking the evidence. Hugh's unshakable confidence that God's revelations in Scripture and nature do not, will not, and cannot contradict became his unique message. Wholeheartedly encouraged by family and friends, communicating that message as broadly and clearly as possible became his mission. Thus, in 1986, he founded science-faith think tank Reasons to Believe (RTB). He and his colleagues at RTB keep tabs on the frontiers of research to share with scientists and nonscientists alike the thrilling news of what's being discovered and how it connects with biblical theology. In this realm, he has written many books, including: The Fingerprint of God, The Creator and the Cosmos, Beyond the Cosmos, A Matter of Days, Creation as Science, Why the Universe Is the Way It Is, and More Than a Theory. Between writing books and articles, recording podcasts, and taking interviews, Hugh travels the world challenging students and faculty, churches and professional groups, to consider what they believe and why. He presents a persuasive case for Christianity without applying pressure. Because he treats people's questions and comments with respect, he is in great demand as a speaker and as a talk-radio and television guest. Having grown up amid the splendor of Canada's mountains, wildlife, and waterways, Hugh loves the outdoors. Hiking, trail running, and photography are among his favorite recreational pursuits - in addition to stargazing. Hugh lives in Southern California with his wife, Kathy, and two sons.



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