Preliminary Study Of The You Yi’s Astronomy Thought And Model Of The Universe

You Yi is important thinkers and astronomer of the seventeenth century. His masterpiece "Tian Jing Huo Wen" covers the astronomical calendar, hydrological and meteorological knowledge, vision, and natural disasters grounds on other aspects of life. Its content is very rich and diverse subject matter, with a high historical value. But in the Chinese history, You Yi is almost forgotten. At present there is no special research papers and books about him. Therefore, this article will conduct a comprehensive and thorough combing interpretation on "Tian Jing Huo Wen". The author will try to do preliminary study of the You Yi’s astronomy thought and model of the universe. Try discover the thought and achievement of You Yi, a great thinker and astronomer who has been buried for a long time. To restore his position on the history of thought and astronomy."Tian Jing Huo Wen" divided into two parts, before and after the sets. It is a popular astronomy book which published in1675and1675. It is the main object of study, including astronomical calendar, hydrometeorology, vision and life grounds on natural disasters. The before set of "Tian Jing Huo Wen" discusses-astronomy, also includes hydro meteorological. The after set of "Tian Jing Huo Wen"mainly discusses the vision and life science, also contains a discussion of the history of the development of the Chinese calendar, and so on. In the first set of discourse, he full of classical and reference the western missionaries translated, astronomy book into China. He summarized and reviewed his friends’and teachers’research results, and attached his comments. He introduced the western knowledge of astronomy, and at the same time discusses the related traditional Chinese astronomy calendar. The before set of Tian Jing Huo Wen" has a great influence in the dissemination of Western astronomy knowledge, have made outstanding contribution to the exchange and integration of astronomy knowledge at that time.According to the research data, this paper attempts to introduce You Yi’s astronomical thought, the background and significance of his book. The article also includes other elements, such as his astronomical system, his comments on the issue of astronomy, his model of the universe and so on.In this paper, the introduction part mainly introduces the research background and significance, research contents and methods, research focus and innovation points. The first part is the generalization of You Yi and his book. It mainly introduces the social and historical background, his life experience, and his communication activities. Secondly, through the comparative method, analysis of his astronomical ideas, mainly to explain his precession and left-rotation theory. Again is combined with Descartes and zhu Xi’s thinking on astronomy and the universe model, introduce his geocentric model of the universe and whirlpool theory. Finally, summaries the value of his astronomical thought, reveals the influence and the position of You Yi and his book.