While living in the center of the earth after he said the era of perennial observation and calculation was done as the starting point of modern astronomy book, made a heliocentric theory. After ten years, he has been working in the church

While living in the era of the geocentric theory but he has completed a perennial observation and calculation, the writings are regarded as modern astronomy, the starting point on the theory that heart. After 10 years in the church, and he has been working

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, advanced heliocentric theory's theory.Hereafter ten years, he continuously in church work

While living in the Geocentric model of the era but he after all the observations and calculations, the finish was considered a starting point of modern astronomy works proposed a heliocentric theory of theories. After ten years, he has been working in the Church

While living in the center of the earth after he said the era of perennial observation and calculation was done as the starting point of modern astronomy book, made a heliocentric theory. After ten years, he has been working in the church