copernicus'revolutionarytheory.docx

Nicolaus Copernicus was _______________ and his mind was ________________. Although he had tried to __________ them, all his mathematical calculations ________ the same conclusion that the earth was not the centre of the solar system.
___________ you put the sun there ______ the movements of the other planets in the sky __________________. Yet he could not tell anyone about his theory _______ the powerful Christian Church_____________ punished him for even ___________ such an idea. They believed God had made the word and ____________________ the earth was special and must be the centre of the solar system.

One is away from home.
One realizes how nice home is.

Para.2-Para.3 Find out the main idea of each Para.
1. What do astronomers notice.
2. Based on some evidence, NC questioned the old theory.
3. NC collected observations of the stars and try to explain them.
4. How did he develop his new theory.

Para.4
1. Why was the earth spinning?
2. Page7 Q2

Para.5
Can you sum up the main idea of this Para.