Geocentric Model Of The Galaxy

Ptolemy, a Roman astronomer came up with the theory that the universe revolved around Earth and all the creatures inhabiting it (Doc. C). This theory, The Geocentric Universe of Ptolemy, was adjusted by most of the people during The Middle Ages. However, much later on, Nicolaus Copernicus, a Polish astronomer, disagreed with Ptolemy’s theory. With his use of math and reason, he came up with a new theory called The Heliocentric Universe of Copernicus (Doc. C). He said that the universe & Earth itself revolves around the sun. The Church denied this theory because they did not want to be proven wrong. If the Church was wrong about this part of the universe, this would then cause man to wonder what else they could be wrong about, or even lied to them about. This new theory taught men to think for themselves and not to rely on the Church for

In concordance with Christian doctrines, this system implies that heaven and the throne of God lie beyond the tenth sphere. On the other hand, during the first half of the 16th century, Polish cleric Copernicus developed an astronomical model which positions the motionless Sun at the center of the universe, with the Earth, the moon, and six other planets revolving at a constant speed around it. He argues that all stars were at rest and that their nightly movements are simply indications of the earth’s rotation. However, members of the Church, especially Protestants, who interpreted the Bible literally, refused to grant Copernicus credit for his theory. Nevertheless, once released among the population, the Copernican theory raised support from various scholars, a few of whom, such as Brahe, Kepler, and Galileo, went on to dedicate their career to solidify its legitimacy. With their use of mathematical reasoning, instead of antic philosophy, the Copernican theory finally became justified among the population. Pertaining to its influence among laypeople, the Copernican theory raised various questions against the

Galileo Galilei was a very influential and controversial astronomer, scientist, mathematician, teacher, and physicist. His life began in the sixteenth century and ended in the seventeenth, in which he penned several books that supported the Copernican theory of a heliocentric solar system. In the words of Drake S. (1957) “... the works of Galileo are well written, and throw light upon the origins of modern science…”(Pg. 2) Although Galileo was soon deemed a heretic by the Roman Catholic church, he continued diligently challenging Aristotelian thought and doctrine and expressing his support of the Copernican theory. As he continued to make discoveries that supported this theory, the church continued to label him as a heretic, and eventually

Also as a scientist, he did not stop with just imagining what was in the universe and how it worked, but he continued to try to discover and answer his own questions. The fact that Galileo was curious should not have been a surprise, considering that a scientist would not be a good scientist, or a scientist at all, if they did not question things. Continuously, he does not say that the Bible is wrong. He is saying that the way that the church interpreted the Bible was wrong, “passages taken from places in the Bible, which they failed to understand properly.” (document A). In this sentence that Galileo writes in a letter to the Duchess of Tuscany, Christina. He is writing to a higher authority in the church, trying to explain that he is not accusing the Bible, or the ideas in the Bible as being wrong. He seems to be using logical reasoning, science. Galileo was told to keep quiet about his ideas in 1615. Unlike Bruno, who had forcefully tried to prove that he was right and that the church and/or the Bible was wrong, Galileo seems to actually keep quiet until 1632, a good 17 years. In 1632, he published his book, Dialogue

Astronomy was a highly debated topic between scientists and the Roman Catholic Church. The Roman Catholic Church believed that the Earth was the center of the universe and there was a place for all of the gods/zodiacs in it. An astronomer from the Middle Ages, Ptolemy, created the drawing of the universe which depicted the Earth in the very center of the universe, or geocentric. The geocentric universe, also contained an outer name in latin translating directly to “The Empire of Heaven and the Home of God and the Elect( document C )”. Contrary to the beliefs of the Roman Catholic Church another astronomer from The Renaissance created a sun centered universe or heliocentric. This astronomers name was Copernicus, he created his universe based on observation of the movement of the planets and mathematics. During the Middle Ages it was strongly believed that the universe was geocentric, but now astronomers like Copernicus have disproved these beliefs with concrete

Copernicus published "On the Revolutions of the Celestial Spheres" in 1543 , sparking off the scientific revolution and a new era of astronomical thought. This theory explains that the sun, not the Earth, is the center of the solar system and planets move in a circular motion around it. This had many social, intellectual and religious made of huis idea. For instance, this theory brought into question the strict reading of the Bible and philosophies of the Catholic Church.

During the time of Galileo, the church was very strict with physicists who believed in the Copernican model. This is exactly the position that Galileo found himself in. In 1600 Galileo began making his own telescope. He became the first person to point one at the night sky. What staggered him the most by doing this was the sheer volume of stars that were not visible with the naked eye. Galileo used his telescope to make many discoveries; one of these is the discovery of Jupiter’s four moons. He even plotted and tracked there rotations around Jupiter. The main thing however, was that Jupiter even had moons, this was proof that the geocentric model was incorrect and that this discovery was in favour of the Copernican model.

There were many who cited portions of scripture such as Joshua 10:13, which states “So the Sun stood still in the midst of heaven” (Joshua 10:13), and Isaiah 40:22, which states “he that stretcheth out the heavens as nothing, and spreadeth them out as a tent to dwell in.” (Isaiah 40:22), as pieces of holy evidence to refute and definitely disprove the heliocentric theory as truth. However, Galileo could not easily be written off as a rambling, heretical madman either, seeing as his theories were first proposed by Nicolaus Copernicus, who was “not only a Catholic, but a priest and a canon.” (Galileo, Letter to Christina, 2) Even if Galileo was not a respected member of the Church, Copernicus was, and if his theories had originally been proposed by a Catholic canon, then it was harder to dismiss his ideas as heretical. Additionally, Galileo himself frequently offered to present others with evidence of the truth of his theories, stating “to the leading philosophers of the faculty here…I have offered a thousand times of my own accord to show my studies…” (Galileo, Letter to Kepler).

Galileo Galilei was an Italian philosopher born in 1564. As an adult, he didn’t believe the universal geocentric theory of the planets and heavens which was established by the

In the early medieval period, the masses believed that earth was at the center of the universe and everything revolved around it. “...the judgement of many centuries has approved the view that the Earth remains fixed as center in the midst of the heavens…” Nicolaus Copernicus thought that this idea was absurd and continued to explain that the Earth actually moves. He was afraid to even discuss the idea as anyone during the period would just reject it immediately. The Earth being flat was in part influenced by religion and by writing his theories, he was almost apologetic for suggesting the heavens were different from what almost all people believed. “...that the earth is situated in the third sphere and revolves with great speed around the sun, is a very dangerous thing, not only by irritating all the philosophers and scholastic theologians, but also injuring our holy faith and rendering the Holy Scriptures false.” The change in culture was seen as a danger to religion as the new ideas went against a lot of factors in religion. The strict religious ideas caused almost a cultural revolt for new ideas. But because religion was being changed radically, it left room for new ideas like this to start spreading to the

Nicolaus Copernicus was an astronomer. He studied the movements of the planets but as he did what Ptolemy had stated made less and less sense to him. Ptolemy had written that the solar system was geocentric, or in other words that the earth was the center of the universe and that the sun and other planets orbited the earth. This theory was accepted for 1,400 years until around this time. Copernicus said that the solar system was heliocentric, and the sun was the center of the solar system.

When Galileo’s astronomical claims became public, it was a large blow to The Church. The Church claimed that he was undermining the power of Scripture. If it had publically accepted Galileo’s claims, the Church’s authority would be further questioned. By suggesting that the earth revolved around the Sun, Galileo was questioning centuries of what people regarded to be the “truth,” and this did not sit well with the Church leaders. However, he did explain that he was not questioning the Bible itself, but questioning the interpretation of the Bible by those in positions of spiritual authority.

Still, his real roadblock began with the Catholic Church. In trying to comply with the increasing knowledge of the scientific world, the Church was compliant with people practicing science, and even disagreeing with the Bible, as long as they did not vocalize these beliefs. Pretending that the Earth orbited the Sun was in line, but saying that it was true was unethical. In 1613, Galileo published Letters on Sunspots, which explained the dark spots on the Sun’s surface and the orbiting of the Earth around the

The committee was clinging to tradition and the knowledge that had been passed down to them for the last 1500 years. The church took the scripture too literal, and it clouded their judgment. Galileo came to the committee (church) with two propositions, the first being “The sun is in the center of the world and is altogether immovable in respect to local motion” the second was, “The earth is not the center of the world nor it is immovable, but it moves as a whole and also with a daily motion.” Within a couple days the committee came to a conclusion that the propositions were foolish (Copernicanism, page 152). Galileo could not demonstrate the theory, so the church did not take his claim seriously. The church felt threatened by the claim, and feared that it would weaken the power they had. This corrupted the committees’ view of the book, which caused the unfair treatment Galileo received. The treatment Galileo received justified his actions for publishing the book without the churches consent. It was wrong to disregard Galileo’s theories, because of past beliefs. The church should have been more open minded of the idea and turned to science to disprove it rather than

Galileo’s Dialogue on the Two Chief World Systems uses powerful logic and simply described concepts to overcome the Aristotelian bias of the populous and argue in favor of Copernicus’ heliocentric view of the universe. Copernicus theorized that the earth, along with the other planets in the sky, is in motion around the sun. The Aristotelian’s geocentric worldview, that the earth is the motionless center of the universe, was deeply ingrained into the minds of the people and the teachings of the church. Galileo’s argument had to be not only incisive and logical to have any sway, but it also had to avoid offending or denying the ancient principles of thought proposed by Aristotle. He walked this delicate line between educating the public and