The Copernican Revolution

Question 1

Nicholas Copernicus

Answer 1

1. Polish Catholic Cleric
2. Observed night sky from an observation tower.
3. He tried to solve the calendar problem.

Question 2

Copernican Model
(Heliocentric Universe)

Answer 2

Earth’s rotation caused daily motion from east to west.

Question 3

Copernican Model
(Retrograde Motion)

Answer 3

A natural phenomenon of one planet passing another planet as they orbited the Sun.
As a faster moving planet overtakes and passes a slower moving superior planet, the superior planet appears to move backwards as you pass by it.

Question 4

Why believe Copernican Model?

Answer 4

Ptolemy’s model provided a metaphor of the earth and humans living at the center of God’s creation.