Copernicus

Páginas: 10 (2362 palabras) Publicado: 23 de septiembre de 2012
Nicolaus Copernicus


Copernicus was born in Poland in 1473, and died in 1543. He was clever, witty, and a very educated person. Besides astronomer, he had other skills that characterized him also as mathematician, artist, governor, polyglot, economist, and many other proffesions. Copernicus was the first person to formulate the idea that the Earth was not the center of the unvierse.On the contrary, he suggested that the Sun was the center of the universe, and the Earth and the other planets revolve around it (Heliocentric Theory). Before Copernicus, the prevailing theory that was accepted in Europe was the one developed by Ptolemy, who believed that the Earth was the center of the universe. This is called the Geocentric Theory (the Earth is the center of the universe, andthe Sun and the other planets revolve around it), “which had been universally accepted for well over 1000 years” (Millar).
At first, Copernicus did not want to show his thoughts because he was afraid that everybody could reject them and call him a “crazy” person. That is why he kept his ideas in a manuscript and continued developing his theory in private. He suggested that the stars werenot as close as astronomers had been thought; they were further away, and “their apparent motion at night was due to Earth’s daily rotation about its axis” (Millar). When Copernicus decided to show his ideas, everybody immediately criticized him. Brahe, an important astronomer known for his accurate astronomical and planetary observations, was the person who argued that Copernicus was wrong.Brahe explained that if the Earth was moving, the fixed stars should also have an apparent movement by parallax. On the contrary, Copernicus answered that “the stars were too far away for parallax to be apparent” (Millar). In general, the idea of Copernicus that the Earth was moving around the Sun, and that the Sun was the center of the universe was hard to accept. Nicolaus’ work was reallyimportant because he changed the place of the man in the cosmos. Before Copernicus, the man was the centre of everything, but from that time the man will become rational and will not be the center of the unvierse. Consequently, we would confront the world building hypothesis throught the abilities of the man, and the man would say if the hypothesis are valid or not.
Copernicu’s theory, the Sunis the centre of the solar system and the Earth and the other planets revolve around it, gained credibility in 1609 with Galileo, but “the parallax of a fixed star was not measured until 1838 by Bessel” (Millar). Moreover, Copernicu’s believes about the circular orbits for planets, were replaced by Kepler as elliptical orbits in 1609. However, Copernicu’s thoughts have been accepted as auniversal truth and not as an hypothesis that can be questioned. Nowadays, scientifics often refer that time as the Copernican Revolution.
In summary, Copernicu’s provided a solution to the problem of the planets and drew up what we know today as the Heliocentric Model. In addition, the pre-Copernican cosmos had known only a unique center of gravity, but with Copernicus contribution, theuniverse will adopt multiple centres of gravity (Scribners). Copernicus’ influence, though, goes not also in astronomy, but in some other aspects. “He demonstrated a commitment to the mathematical rigor that characterizes the quantitative nature of modern science” (Wray). Moreover, Copernicu’s made people to think differently about the world and themselves. With his Heliocentric Theory, people wouldnot think that they take up the center of the universe. The perspective that people had about the world and the universe would change forever thanks to the contribution of this astronomer. Copernicus was perfectly convinced about his theory when we transformed the place of the Earth in the universe.











Sagittarius


We could define constellation as a group of stars....
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