高中英语必修五 Unit 1 Reading2 Summary Copernicus' mathematical calculations led to the conclusion: the earth was not the center of the solar system. Instead the center of the solar system is th
e sun. As the Christian Church was very powerful at Copernicus' time, he couldn't tell anyone about the theory because it was completely against the powerful Christian's belief. In order to avoid their punishment, he kept his theory until he lay dying in 1534.Now his theory is considered as the basis on which all our ideas of the universe are built.