1、Copernicus Revolutionary Theory,The 4th Period Using Language,Who is Copernicus? Whats his theory mainly about? Why is the theory revolutionary?,Nicolaus Copernicus,Polish Italy Physician, lawyer, astronomer On the Revolutions of the Celestial,Copernicus Theory,The sun is the centre of the solar sys
2、tem. The planets go round the sun, including the earth. The earth is spinning as it went round the sun. The moon goes round the earth.,What inspired him to put forward the theory?,The Old Theory,Problem: with this theory, some planets in the sky seemed to stop, move backward and then go forward in a
3、 loop.,Aristotle & Ptolemy,If I have seen further, it is by standing on the shoulders of giants.,Isaac Newton,Copernicus theory is now the basis on which all our ideas of the universe are built.,Why did he only publish his revolutionary theory as he lay dying in 1543?(He showed it privately to his friends in 1514),29,Because he didnt want to be attacked by the Christian Church.,Discussion,If you were Nicolaus Copernicus, would you have hidden your theory for so many years? Give your reasons.,
