1. Knowledge Connections
Vocabulary 
Heresy
Excommunication
Term
Definition
Knowledge Connections
Picture

2. How did the Catholic Church react to new ideas in astronomy?
Essential Question
How did the Catholic Church react to new ideas in astronomy?

3. Who was Copernicus?
His ideas would changed the way people viewed the universe
Was the first to disagree with Ptolemy
Proposed a HELIOCENTRIC universe
NICOLAUS COPERNICUS Polish Mathematician
Sun centered

4. What did the Church have to say?
Copernicus realized his ideas would cause a conflict with the church…
He could face arrest of EXCOMMUNICATION
Being thrown out of the church
He worked in secret and did not publish his ideas until near the end of his life

5. Did anyone believe Copernicus?
Supported Copernicus’ theory
Used mathematical formulas to show planet orbits
Was a Protestant – so he did not fear the Catholic Church
JOHANNES KEPLER German Mathematician

6. What was Galileo's role?
Lived in Italy – the home of the Catholic Church
Built an improved telescope
Discovered clear evidence of a heliocentric universe
GALILEO GALILEI Italian scientist

7. anti-church teachings
How did the Church feel about Galileo?
When Galileo published his findings, the Catholic Church charged him with HERESY
anti-church teachings
He was placed on house arrest, his books were burned, and he did the rest of his work in secret
But, it was too late – his ideas would spread rapidly around the world!

8. How did the Catholic Church react to new ideas in astronomy?
Essential Question
How did the Catholic Church react to new ideas in astronomy?

9. CHARACTER = CATHOLIC CHURCH IN GALILEO’S TIME