Who Discovered Earth

The question, �Who discovered Earth, seems to be a fairly ridiculous one. How can anyone discover the Earth? The first set of eyes to look down, in a technical sense discovered the Earth, right? Though it is an awkward question, it still one that needs to be posed, because although humans have lived on this planet for thousands of years, our understanding of the Earth has not always been what is today. For example, Greek philosopher Philolaus was documented to have one of the earliest understandings of Earth as a planet in space. His works date back to 385 BCE, but more concrete understandings would not be established until many years later. The question of who discovered Earth as we know it becomes more relevant when it is acknowledged that it was not in the too distant past that humans thought the world was flat and that the sun orbited around the Earth. While, many of the previously held ideas about the Earth may seem comical today, they were considered to be scientific fact at one point in time. It is through this shift between misunderstanding and reality that we attempt to answer the question, �Who discovered Earth.�

In terms of discovering Earth in a modern understanding, Nicholas Copernicus can be given a great deal of credit. Countering the accepted beliefs of the time, Copernicus spent many years developing a heliocentric model for our solar system, which places the sun at the center of the solar system. This correct model was the first scientific acknowledgment of the, now undeniable, workings of our solar system. His work, De revolutionibus orbum coelestium, which translates to On the Revolutions of the Celestial Spheres, outlined seven basic assumptions that were groundbreaking for his time period. The most notable of the seven assumptions included: there is no one center of all celestial spheres; the Earth is not the universe, but is the center of our gravity and moon; and that all spheres in our system use the sun as the mid-point of their revolutions. Many people were interested in Copernicus�s theory, but because of scientific, and possibly religious, concerns, he decided not to release the work until his death. Copernicus�s theory was renounced three years after his work�s 1543 release; the Catholic Church condemned his work, because it countered scripture. Although, Copernicus�s heliocentric theory was condemned, it was not forgotten. In the very near future, noteworthy astronomer Galileo was able to provide additional evidence for Copernicus�s model by observing Jupiter and its orbiting moons, along with the discovery of Venus�s moon-like phases.

While the question of who discovered the Earth may still seem ridiculous to some, it is actually an important question. For hundreds of years, the Earth was considered to be the center of the universe, but this dated and incorrect world view had to be torn down. Like so many other times in history, a scientist comes forth that completely redefines the world as we know it. In 1543, Nicolas Copernicus did just that by publishing his work outlining a heliocentric solar system model. Although it took some time before society could accept the model, it would prove to be a major part of scientific history and marked the beginning of mankind�s correct understanding of the Earth. lved.

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