Historical Astronomers in Context

My Chosen Astronomer:

Isaac Newton (1642 – 1727) acted as the individual who tied together all the theory and observations of the astronomers that came before him. His invention of calculus and other mathematical accomplishments allowed him to apply these new concepts to the perceived circular motion of the planets and moon to develop his theory of gravity. This discovery of gravity finally provided a mechanism by which the motion of the celestial bodies could be explained and validated the observations and theories of previous astronomers.

Historical Events During Newton’s Life:

In 1665 when Newton was only 23, the Great Plague of London broke out. An epidemic of the bubonic plague, it killed roughly 70,000 people in London, and forced Newton to retire to his family home in Woolsthorpe. It was there that he worked extensively on his research. Later on in 1692, while Newton was just turning 50, over in what would become the United States, the Salem Witch Trials were taking place, where roughly 200 people were accused of witchcraft and about 20 of them were killed as punishment.

Another Historical Figure:

Newton lived during the same generation as King Louis XIV of France, who was born in 1638 and died in 1715. Louis XIV took the throne of France at the age of 5 and proceeded to have the longest reign of any monarch in European History, acting as monarch of France for over 72 years. He is attributed with consolidating power in France and moving away from a feudal society.

Reflection:

What I found especially interesting about learning about this context is how close together so many of these astronomers lived. I think I always kind of assumed that each astronomer was the lone great mind during their time period, never interacting with other notable individuals. However, as has become clear, many of these great astronomers like Kepler, Galileo, and Brahe all lived in such a time when they could communicate with each other. I imagine having other great minds to communicate with and bounce ideas off of helped contribute greatly to their individual works. Additionally, it seems like many of these great astronomers made some of their great accomplishments/discoveries as young as their 20s. It is crazy to consider that Newton, for example, was discovering gravity at an age not that much older than us. It simultaneously makes me feel like a disappointment and yet also realize I might be able to do more than I initially thought.

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Historical Astronomers in Context

Johannes Kepler was born on December 27th, 1571 and died on November 15th, 1630.

After influential astronomer Tycho Brahe passed away, his unfinished work and data was given to Kepler to continue. With this data, Kepler discovered that Mars’ orbit is an ellipse, publishing Astronomia Nova in 1609 (now known as Kepler’s first two laws). Later in 1619, Kepler published his third law in Harmonices Mundi. These laws continue to be fundamental to astronomy and physics today.

Johannes Kepler, from Wikipedia

During Kepler’s lifetime, a number of historical events occurred, including the Dutch colonization of the East Indies, and the Dutch founding New Amsterdam (New York). In 1595, the Dutch began a journey to the East Indies to source spices from Asia, which was hugely profitable for the country. Then came the formation of the United East India Company, formed by the Dutch government. Later in 1626, the Dutch West India Company colonized a fur trading settlement called New Amsterdam, which we know today to be New York. 30 years later, New Amsterdam had a population of 1,500 people. 

A famous person that lived during Kepler’s lifetime is William Shakespeare (1564 – 1616). Shakespeare is known as one of the most infamous and incredible writers in the entire world, famous for his plays, sonnets, and poems. Some of his most notable works are Romeo and Juliet, Hamlet, and Macbeth.

I generally think of astronomical discoveries as more modern—after all, how could people observe the heavens without all of the fancy technology that we have today? Realizing that Kepler lived during the colonization of New York, and during the lifetime of Shakespeare, puts the timeline of astronomical discoveries in context. It is absolutely incredible what Kepler, and other early astronomers, were able to accomplish so long ago. I truly believe Kepler would be proud that his laws still ground astronomy today, and that he has become a household astronomy name.

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Historical Astronomers in Context

Sir Isaac Newton born December 25 1642, died March 20 [March 31], 1727

During Newton’s life two major events that occurred were the bubonic great plague and the Renaissance. The bubonic plague killed 75,000 people in England, black rats and fleas brought the disease back to the country. Whole towns of people died and people would die and be left in the streets. The renaissance was a rediscovering of classical literature and philosophy. During this time there was a shift on a bigger focus on learning and understanding. Most of the greatest philosophers are from this time period.

Another famous person alive during this time period was William Penn, who was the founder of Pennsylvania and most famously known for his part in the Society of Friends(most famously known as the quakers). Penn preached things way ahead of his time, like democracy and equality for all. He showed this by being very well liked by the Native Americans who he crossed paths with. To this day he still has an effect on society with quaker groups still being around today as well as school dedicated to his ideas.

I thought what was interesting was how really bad things turned into really good things. If there was no Bubonic plague there is a very high chance Newton wouldn’t have become the Newton we know. One small event altered everything which forced Newton to go into isolation for a time period where he came out with ideas and concepts that we still use today. What that shows is how everything happens for a reason. Newton needed this isolation to become the hero he is to science, and because of the plague he got this

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Historical Astronomers in Context

 

Johannes Kepler, image via NPR

Johannes Kepler was a German astronomer born December 27, 1571, in Weil der Stadt, Germany. He is well known in the field of astronomy for his three laws of planetary motion. He found that planets orbit on an ellipse rather than a perfect circle, that the planet and the sun sweep out equal areas during equal intervals in time, and that the square of the orbital period of a planet is proportional to the cube of the semi-major axis of the orbit. These laws helped to support the idea that the planets orbited around the sun, which was contrary to the geocentric views of the time. He died November 15, 1630.

Many of the significant events that occurred during Kepler’s lifetime were related to religion. Two events that occurred were the counter-reformation which forced him to move to Prague, and the 30 Years War.  

Pope Urban VIII was an important figure that was alive during Kepler’s lifetime. His position as pope made him important, especially in this time period because of the high tensions between Catholics and Protestants and the 30 Years War, which affected Kepler as he had to move multiple times to evade persecution

I think that understanding the historical background of Kepler’s lifetime is very interesting. He was forced to move to Prague because of the counter-reformation where he worked to write his laws. This makes me wonder if the counter-reformation and various religious conflicts on the time period didn’t occur, would he still have written his laws of planetary motion? I think it’s interesting to see how these events could have affected each other and how things could have been different if certain events didn’t occur.

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Historical Astronomers in Context

Galileo Galilei Birth: February 15, 1564.  Death: January 8, 1642

Justus Sustermans – Portrait of Galileo Galilei, 1636

Historical events:

The most important historical event in Galileo’s life should be Renaissance, during which Italy was the center of the revolution. Galileo was a leading figure in the scientific revolution during Renaissance. In that period, many achievements were made in fields such as painting, literature, music, astronomy, technology and exploration.

The other historical event I would like to mention is the colonization of America by European countries . That was a marking event for the Age of exploration. European countries gained lots of wealth through colonizing.

The Historical Figure and description :

The historical figure I want to mention is Willam Shakespeare. He was born on April 26, 1564 and died on April 23 1616. He lived at the same time with Galileo for 52 years. He was the greatest English writer. His work contributed greatly to the development of English literature and drama. Hamlet, Romeo and Juliet, and Othello were his representative work.

My reflection

It is very interesting for me to learn the information about these famous historical figures. Although they devoted themselves in different fields, their work and their contributions clearly pointed toward a same background: Renaissance. This historical period had impressive power promoting the emergence of geniuses. I think the most crucial motivation behind the promotion was the cultural value of Renaissance which inspired people to free their minds against feudalism. Generally speaking, the example of Renaissance proves that the development of humanity relies tremendously on a encouraging atmosphere of society.

Sources:

16th century

17th century

William Shakespeare

Italian Renaissance

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Copernicus in Context

Nicholas Copernicus was born February 19th, 1473 and died May 24th, 1543. He was important to astronomy because he contested the commonly accepted geocentric model of the solar system and universe, favoring a heliocentric one. This not only led to one of the greatest advancements in astronomy, but it also helped open the door to questioning what was assumed to be correct, and he served as an inspiration to challenging the status quo. Further stressing his importance in astronomy, his work began to highlight the importance of Earth’s movement in our perception of the universe; specifically, he attempted to explain the rising and setting of celestial bodies as well as retrograde motion through Earth’s revolution and orbit.

One major world event that happened during Copernicus’s lifetime was Christopher Columbus’s voyage to the Americas in 1492. This is probably one of the most important events in history, as it not only caused the fall of the Native American civilization, but gave rise to our American one. Another major event that happened in his lifetime was Martin Luther’s posting of the 95 Theses in 1517, starting the Protestant Reformation. This started the formal chipping away of the Catholic Church’s power, and this updated take on religion allowed more freedom to progressive ideas in everything from politics to science.

A very important historical figure who lived alongside Copernicus was King Henry VIII, who was born June 28th, 1491 and died January 28th, 1547. He began the English Reformation, which was England’s divergence from the Catholic Church and creation of the Anglican Church. He notably had six wives, and divorced or beheaded almost all of them. This split laid the footing for trends we have seen in recent history, whether it be British isolationism (Brexit) or the continual subjugation of the Irish (Potato Famine), as they remained Catholic.

Learning about the context of the astronomers’ lives was very interesting– in history we usually learn about individual topics, but never really their concurrence with others. I never thought about how the discovery of the America’s may have affected astronomical development, or how Copernicus or other controversial researchers may have been emboldened by the likes of Martin Luther or Henry VIII. This context is also interesting because it is important to understand that these events in history are not happening in a void– they can almost always be connected to each other.

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Historical Astronomers in Context

Isaac Newton (January 4, 1643- March 31, 1727)

In 1693 the College of William and Mary was founded. William and Mary was the second college to be founded in the United States so education in this way was a fairly new concept. In 1707 the Acts of Union were passed to form the United Kingdom between England and Scotland. This union formed the kingdom of Great Britain.

The Dutch artist Rembrandt was alive in this time period from 1606 to 1669. Rembrandt was most well known for his paintings of biblical figures and scenes.

Learning about this context in which Isaac Newton lived is very interesting because it is very easy to separate history into sections in your mind instead of recognizing that it all occurred at the same time. Isaac newton and Rembrandt are not two people that I would have thought lived at the same time because I would have imagined Rembrandt being from a much earlier time period than Newton because it is hard to imagine such significant scientific discoveries being made at this time period where they had none of the advanced technology for scientific research that we have now.

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Historical Astronomers in Context!

Johannes Kepler, born December 27, 1571; died November 15, 1630, was hugely important to astronomy as his ideas and, most notably, his three laws, paved the way for important future developments and understanding in the field. His laws helped provide more evidence for the heliocentric idea. He specifically refuted the idea that planets orbit in perfect circles, realizing they actually orbited in an ellipse. Though he didn’t fully understand why, he was able to see that the farther an object was from the Sun, the slower it would move in its orbit.

Some historical events and people that occurred during Kepler’s lifetime include:

The St. Bartholomew’s Day Massacre occurred in 1572, and it was a slaughter in France of Protestants called French Huguenots by Roman Catholic citizens. It was a result of religious and political tension between Catholics and Protestants.

In 1607, Jamestown was established in present-day Virginia and became the first (permanent) English colony in America. The surviving of this colony led to later English settlements and colonies being formed.

William Shakespeare lived from 1564 to 1616 (overlapping Kepler in the years 1571-1616). Shakespeare is one of the most well-known playwrights in history, and wrote tragedy, comedy, and history plays. Some of his most well-known works include “Romeo and Juliet,” “Hamlet,” and “Macbeth.”

I was very interested to put Kepler and his astronomical achievements into context with other well-known historical events. The religious unrest (with events like the St. Bartholomew’s Day Massacre) helped me understand the weight of religion in all aspects of life during this time. Religion was definitely connected with astronomy, and Kepler even had to fight the notion that orbits are circular because of the belief that God is perfect and would make everything in the universe perfect as well. There was also the beginning of expansion and exploration of new areas like America, just like how there was exploration (more accurately observation and understanding) of the sky and the Solar System! Also, I had no idea Kepler and Shakespeare had existed in the same time frame, and it proved to me how amazing the advancements were during this time, not just in science, but also in art and literature as well!

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Historical Astronomers in Context

Sir Isaac Newton, born December 25, 1642 and died March 20, 1727, significantly influenced the fields of mathematics, science, and mechanics. Of his greatest scientific contributions was his formulation of the laws of motion, theories pertaining to the effects of external forces applied on objects in motion. The construction of these laws would contribute to the basis of physics. These three laws stating, 1st: that a body in motion will remain in motion and a body at rest will remain at rest unless an external force acts upon it, 2nd: force is equal to the mass of an object multiplied by the object’s acceleration, 3rd: every action in nature has an equal and opposite reaction. 

During Isaac Newton’s lifetime, Bacon’s rebellion occurred. This was a revolt, led by Nathaniel Bacon, in the relatively newly formed colony of Jamestown. Also in 1651, Thomas Hobbes published Leviathan, a text that discussed the idea of the “social contract” and position of citizen and government. This work greatly influenced the enlightenment period and enlightenment thinkers. 

Johann Sebastian Bach, born March 31, 1685, and died July 28, 1750, is one of the most iconic classical music composers. He too was alive during Isaac Newton’s lifetime. Bach is the composer of some of the most famous pieces of classical music like Brandenburg Concertos and Orchestral Suite. And although you may not recognize the names of some of his pieces you would probably recognize the sound. 

Often when learning historical events, the time and surrounding context of that information are lost. For example, just within the 5 astronomers, we studied, It is easy to believe that they all lived separately and came to their conclusion independently in completely different time periods, however after looking at their lifespan’s you can see that these events and achievements all happened in relatively similar times. Specifically, when looking at Isaac Newton, I thought it was incredibly interesting that his lifetime also overlapped with things like the Enlightenment period and the beginning of the Colonization of American as well as the seeds of the American revolution. These are pieces I had previously not linked together.

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Historical Astronomers In Context

Johannes Kepler was born on December 27, 1571 and died on November 15, 1630.

The 30 Year’s War began in 1618 and was a war between the Habsburgs and the French, it resulted in several million deaths and took place in Central Europe. In 1585 the first English colony was established in North America in Roanoke. This was an important development in world history as it eventually led to all the colonies being formed and also the American Revolution.

William Shakespeare (April 26, 1564 – April 23, 1616) is probably the most well-known playwright and poet of all time. He created many famous plays including Romeo and Juliet, King Lear, Othello, Hamlet, and Macbeth.

It really put things into perspective when I learnt that Shakespeare was living at the same time as Kepler. The fact that one of the most renowned playwrights was creating some of the greatest plays of all time while in the field of astronomy; people had not yet agreed that the Earth orbits the Sun provides an additional dimension to how the history of astronomy was so delayed compared to other disciplines.

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