The life of Ptolomy is vague, as is the reaction to his works at the time. His system of astronomy, which is in his book the Syntaxis, was accepted as correct until the year 1543 AD. In this system, the earth was the center of the universe, and was the axis of a huge rotating sphere, which spun. On the outer edges of the sphere were the stars, and the sun and other heavenly bodies were in between the earth and stars... displayed 300 characters
DO YOU NEED AN ESSAY? Here are the options you can choose from:
Order plagiarism free custom written essay.
All essays are written from scratch by professional writers according to your instructions and delivered to your email on time. Prices start from $10.00 /page.
FULL ACCESS TO ESSAYS DATABASE
This option gives you the immediate access to all 184 988 essays.
You get access to all the essays and can view as many of them as you like for as little as $28.95/month.
Your research paper is written by certified writers
Your requirements and targets are always met
You are able to control the progress of your writing assigment
You get a chance to become an excellent student!
On the outer edges of the sphere were the stars, and the sun and other heavenly bodies were in between the earth and stars. Ptolomy accounted for the movement of the planets using three mathematical constructions: the eccentric, epicycle, and the equant. The eccentric construction is the only one of the three not centered on the earth... displayed next 300 characters
It dealt with "what is easiest and most useful". Considered as an elementary textbook of practical mathematics, the Al-jabr wa'l-muqabala began with a discussion of the algebra of first and second degree equations and moved on in its final two parts to the business of practical applications to questions on mensuration and legacies...
Rheticus became enamored with Copernicus and sought him out after reading one of his essays. Rheticus paid a visit to Copernicus' home, he anticipated staying only a few short weeks, but in 1539, Copernicus took Rheticus under his wing as a student...
Bufford often used five or more colours in his work; he laid his colour prints down before printing a final layer of black which assembled his image, for an example of his work see ?the Swedish song quartet'...
Our aim is to provide a new option which can help students write their researches taking as guideline excellent examples of any kinds of papers. This option is new and progressive; it is even easier than buying a custom written paper! Due to this service you can find and choose what you need by yourself without paying almost anything.