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Yoooo Essay

2471 words - 10 pages

The concept of Nebulae has existed within astronomy for many hundred’s of years, dating back to early Greek and Chinese civilizations. Although the Greeks and Chinese did not have a clear idea of what they were observing, it is said that they could view these “clouds” in the sky. As time went by the concept of nebulae from the time of early Greek’s and Chinese up to recent days has changed considerably many times, following up an emergence of theories and inventions. Nonetheless, we can see a kind of dialectical relationship between the inventions and the change in instrumentation (as the changes in the first drive changes within the latter and vice-versa.) The existence of this circularity is often questioned and will be analyzed in depth, along with a historical account of facts, through the next few pages of this paper. The concept of Nebulae also helped with the development of new theories and ideas particularly around the 19th century. We can assume that nebulae were one of the factors that helped in the appearance of modern contemporary astronomy.
Galileo’s thoughts addressed the first recent theories about the emergence of Nebulae in his book Assayer. Here he mentions nebulae to be composed of different distant stars but he did not believe it to include clouds and other particles. Eventually at a later point a catalogue of 103 Nebulae was published by Charles Messier. Although Messier’s actual interest were comets he was one of the first to discover Nebulae’s and tried to disprove them as being comets. This leads us into the ideas of Immanuel Kant about Nebulae’s and how he believed in the ‘disk theory of the Universe’ which refers to Nebula actually being other galaxies in the universe. This converges with the Theory of Thomas Wright through his publication ‘An original theory or new hypothesis of the Universe’ (1750) in which he is believed to refer to the Milky Way as “ an optical effect due to our immersion in what locally approximates to a flat layer of stars”. Wright believed Nebulae’s to be smaller scale versions of the Milky Way just as Kant did. However the only difference with Kant being that he believed Nebulae to exist at the borders or ending of a galaxy. This would be in connection to where the nebulas were noticed. Kant believed here that nebulae only existed as stars and that all the other objects found with the nebulae such as dust particles, rocks and clouds were all independent to the Nebulae and had nothing to do with it. Although Kant’s explanation of Nebulae was not really clear it helped jump-start the discovery into actually what these Nebulae were. It is important to highlight that during the time Kant came up with his own theory about Nebulae and at the same time there were many other astronomers who were coming up with their own independent theories. The instrumentations used by Kant here lacked the technical ability needed to properly examine nebulae. However, many astronomers and scientific...

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