求翻译：虽然生活在地心说时代 但他经过常年观察和计算，完成了被视为现代天文学起点的著作≪天体运行论≫，提出了日心说的理论是什么意思？

While living in the geocentric time round but after observation and calculation, to be completed as the starting point of modern astronomy books «on celestial bodies», proposed a heliocentric theory

While living in geocentric said that times but was, after a perennial observation and calculation was completed, the writings are regarded as modern astronomy starting point ≪ ≫ Theory, put forward the theory that

But although lives in the geocentric theory time he passes through year to year observes and the computation, completed has been regarded as the modern astronomy beginning the work ≪ heavenly body movement to discuss ≫, advanced heliocentric theory's theory

While living in the era of Geocentric model but he after all the observations and calculations, the finish was considered a starting point of modern astronomy works ≪ De Revolutionibus Orbium Coelestium ≫ proposed a heliocentric theory of theory

While living in the era of Geocentric model but he after all the observations and calculations, the finish was considered a starting point of modern astronomy works ≪ De Revolutionibus Orbium Coelestium ≫ proposed a heliocentric theory of theory