Across
- 2. The key for a better world.
- 3. "Yet it is still moving" in Italian.
- 5. What makes objects attract one another.
- 8. The institution but also the building for Christian religion.
- 10. A field of knowledge that helps explain the world.
- 11. What you can produce and understand with your mind.
- 13. A method for a society to choose its leaders.
- 15. Galileo ...
- 16. The absence of gas.
- 18. The Holy Book in Christianity.
- 19. The idea that God chose the King. ... Right.
- 20. Otto von ...
- 21. A new form of publication in the 18th century.
Down
- 1. Nikolaus ...
- 4. Johannes ...
- 5. The model where earth is in the middle.
- 6. Isaac ...
- 7. The period following Antiquity.
- 9. The model where the sun is in the middle.
- 12. How to prevent absolute power: By ... of powers.
- 14. Proof.
- 17. A model of the planetary system.