高中英语教学资料（缙云中学）汇编-M5U1 M5Unit1 using lanuage11.2.pptVIP

Copernicus’ Revolutionary Theory Nicolaus Copernicus He was one of the first scientists to use mathematical observations to collect information. He believed the sun is the center of the universe and the earth and other planets went around it. --Revolutionary Theory Nine Planets In the Solar System sun Only if we put the sun in the center of the universe did the movements of the other planets in the sky make sense. Showing Copernicus’ theory The earth is the center of the solar system . The sun is the center of the solar system . Before Copernicus’ theory The two theories of the universe Reading comprehension: What conclusion did Copernicus’ mathematical calculations lead to? 2. Why could he not tell about his theory? 3.When did Copernicus publish his theory? 1. What conclusion did Copernicus’ mathematical calculations lead to? All his mathematical calculations led to the same conclusion: that the earth was not the centre of the solar system. Only if you put the sun there did the movements of the other planets in the sky make sense. 2. Why could he not tell about his theory? --Because the powerful Christian Church would have punished him for even suggesting such an idea. They believed God had made the world and for that reason the earth was special and must be the centre of the solar system. …… as he lay dying in 1543 3.When did Copernicus publish his theory? Why is it right for Copernicus to be cautious and careful of his theory ? --The Christian Church rejected his theory, saying it was against God’s idea and people who supported it would be attacked. The great impact of his theory: 4.The book which first suggested that the Sun, not the Earth, is the centre of the universe is now recognized as one of the most influential scientific works of all time. 1. His theory is now the basis on which all our idea of the universe are built. 2. His theory replaced the Christian idea of gravity. 3. His theory has a direct link to the work of other