Discussion 5: From Kepler to Newton

Discussion Topic: [From Kepler to Newton]

Overview

Having explored the previous modules on [From Kepler to Newton], we now turn our attention to [From Kepler to Newton]. This discussion is designed to be an academic and intellectual exercise. Your contributions should reflect logical reasoning, rational inquiry, and a level of depth appropriate for scholarly discourse, moving beyond casual interaction to explore the nuanced complexity of this field.

Requirements

1. Summarization & Intellectual Reflection (300-500 words)

Note: To ensure academic integrity and reflect personal growth, this section must be authored by the student without the use of generative AI.

• Summarize: Provide a concise yet comprehensive summary of the key concepts, theories, or historical shifts regarding [From Kepler to Newton] as discussed in the course materials.
• Resonate: Critically analyze how this knowledge resonates with your current understanding. Reflect on how these specific concepts integrate with, conflict with, or refine your personal worldview or professional perspective.

2. Original Questions & Evidence-Based Investigation

Formulate two original, thought-provoking questions that arise from your reflection on [Creation].

• Investigation: Attempt to answer these questions by investigating a variety of scholarly and technological resources, including academic texts, peer-reviewed journals, and primary source documents.
• Selection: Note that exceptional questions and well-researched investigations will be selected for presentation and further in-class discussion.

3. Academic Peer Dialogue

Respond to at least two of your peers. Your replies must go beyond simple agreement or “good post” comments. To foster a rigorous intellectual environment, you must:

• Engage directly with the logic of their arguments.
• Provide evidence-based counter-perspectives or alternative interpretations.
• Ask clarifying questions that push the dialogue toward deeper inquiry.

• 1Laura Brambila

  14 hours ago, at 8:57 PM

  Summarization & Intellectual Reflection This past week we went back into the Scientific Revolution and went further into the history from Kepler to Newton. We really see the Scientific Revolution shift from questioning old ideas to building a completely new way of understanding the universe. Kepler plays a huge role in this transition. Using Tycho Brahes detailed observations, he realized that planets dont move in perfect circles like people had assumed for centuries. Instead, they move in ellipses, and their speed changes depending on where they are in orbit. His three laws of planetary motion showed that the solar system isnt random or chaotic, it follows consistent mathematical patterns. That was a big deal because it challenged the ancient idea that circular motion was perfect and therefore required. Newton takes this even further. While Kepler described how planets move, Newton explained why they move that way. With his laws of motion and the law of universal gravitation, he showed that the same force that causes an apple to fall to the ground also governs the motion of the Moon and planets. That idea, that the heavens and the earth operate under the same universal laws, was revolutionary. It removed the sharp division people once believed existed between the earthly and the divine realms. The development of calculus also allowed Newton to describe motion and change in a precise mathematical way, which strengthened the authority of scientific explanation. What stands out to me is how bold but also careful this shift was. It wasnt just about rejecting religion or tradition, it was about following evidence and mathematics wherever they led. At the same time, I can see how Newtons success might have encouraged later thinkers to view the universe as a kind of self-contained machine. Personally, I dont see scientific laws as replacing deeper questions about meaning or purpose. Instead, I see them as describing how the world works. For me, learning about Kepler and Newton actually reinforces the idea that the universe is orderly and understandable which raises its own questions about why that order exists in the first place.Original Questions & Evidence-Based InvestigationDid the mathematical success of Kepler and Newton change the way people understood certainty and knowledge itself?Answer: Primary sources show that Newton himself did not see his work as secularizing. In the Principia and especially in the General Scholium, Newton explicitly refers to God as the intelligent and powerful being who governs all things. He believed the order and mathematical harmony of the universe pointed to divine design. Similarly, Kepler described his work as thinking Gods thoughts after Him, showing that early modern science was often motivated by theological conviction. However, later Enlightenment thinkers used Newtons system differently. Because the universe could now be described as operating through consistent mathematical laws, some philosophers (such as Laplace) suggested that God was no longer needed as an active explanation for natural phenomena. This contributed to the rise of Deism and a more mechanistic worldview. Historically, then, Newtons work both reinforced belief in divine order for some and opened the door to secular interpretations for others.
  If Newton unified the heavens and the earth under the same physical laws, did this discovery strengthen religious belief in an orderly Creator, or did it unintentionally encourage a more mechanistic, secular worldview?Answer: Keplers laws demonstrated that nature could be described through precise mathematical relationships (such as the proportional relationship between orbital period and distance). Newton expanded this dramatically by showing that motion and gravity follow universal mathematical laws. This shifted intellectual authority away from tradition (like Aristotle) and toward empirical observation and mathematical reasoning. Scholars of the Scientific Revolution argue that this period helped establish what we now call the scientific method, where knowledge must be tested, measurable, and mathematically defensible. While this increased confidence in human reason, it also narrowed the definition of true knowledge for many thinkers to what could be quantified. Over time, this influenced modern assumptions about science being the most reliable path to certainty.

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• Addison AbbottFeb 21, 2026 6:19 AMAddison Abbott on Feb 21, 2026 6:20 AM)NEW
  
  This week’s class discussion of Kepler to Newton broke some of the myths we commonly associate with the scientific breakthroughs we’ve heard about all of our lives. Copernicus, though introducing the world to the heliocentric universe, did not give a perfect explanation nor solid evidence or proof to support his discovery or belief. Kepler perfected Copernicus’s claim with the three laws of planetary motion, which include, first, that planets moving in ellipses, differing from Copernicus, who said the planets moved in perfect circles. Secondly, he discovered the Law of Equal Areas, which explain the speed at which a planet travels, meaning planets move faster when they are closer to the sun. Finally, he discovered the Law of Harmonies that proposed an exact mathematical relationship between a planet’s distance from the sun and its orbital period. He was able to support this claim through the discovery of the supernova of type Ia in the constellation Cassiopeia by Tycho Brahe, further hardening his evidence and eventual claims. Furthermore, and most importantly, Kepler was a devout Chrisitan, who described learning and studying as “thinking God’s thoughts after him,” and originally wanted to be a Lutheran minister. This is a reminder to us that science and faith were not always conflicting. Kepler’s studies shifted the way the world was viewed and created a bridge that will lead to Newton, who will explain the why behind Kepler’s Laws. In other elements of the Scientific Revolution, Hans Lippershey invented the telescope that Galilei would go on to perfect and improve, giving Galileo to make major discoveries in astronomy, such as discovering the four largest moons of Jupiter and observing phases of Venus, sunspots, and craters of the moon. His observations gave more evidence to the heliocentric model. Galileo was also a Christian, however, faced strong backlash from the church for proposing the model that shifted the foundation of thinking they were accustomed to. Finally, the Scientific Revolution also grew with Isaac Newton, who discovered universal gravitation, the laws of motion, and principia Mathematica. With Newton, the laws of the universe are finally beginning to be fully defined.
  1) How did the start of the printing press during the Scientific Revolution impact the spread of medical breakthroughs and studies?
  Before the start of the printing press, hand-copied manuscripts were the only way to distribute information and share important data and information. Medical breakthroughs were limited and far between because the accumulation of evidence to support different techniques or studies was not widely accessible to the scientific community as a whole. Science builds upon itself, and without a “team” of sorts throughout the world working together to make a change, medical breakthroughs were rare and often went unnoticed as they lacked proper support. However, the invention of the printing press changed this narrative as now physicians and scholars could mass-produce anatomical diagrams, surgical techniques, and experimental findings. For example, Andreas Vesalius published De Humani corporis fabrica in 1543, which detailed printed illustrations to correct an accumulation of errors from Galen. Because it was printed, his work was able to circulate around Europe, creating a much more standard medical education and introducing the idea of focusing on direct observation over blind reliance on authority. The printing press transformed medicine from a localized, tradition-based practice into a collaborative, increasingly evidence-based discipline.
  2) How did the Royal Societys motto, Nullius in verba, reshape Christian understandings of authority and revelation?
  Nullius in verba, the motto of the Royal Society, means “take nobody’s word for it,” emphasizing experimental evidence over inherited authority. For Christians, this subtle shift affected intellectual culture. Instead of relying on primarily church tradition and classical authorities, knowledge increasingly had to be verified through observation and testing. While this did strengthen careful inquiry into God’s creation, it also contributed to skepticism toward institutional authority, including theological authority. The motto reinforced personal investigation and empirical proof, which both helped align with the church’s emphases on individual engagement with truth and helped reshape how authority and revelation were understood in the modern world.

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