Across
- 7. Irish natural philosopher
- 11. Laws of motion
- 12. belief or opinion contrary to orthodox
- 13. Acquire new knowledge
- 14. Former astronomical
- 15. A Greco-Roman mathematician
- 16. 16th/17th-century philosopher and statesman
Down
- 1. government through force or a popular movement
- 2. Italian astronomer
- 3. principles of science
- 4. Having or representing the sun as the center
- 5. A force that attracts to the center of the earth
- 6. Formally or publicly
- 8. French Philosopher
- 9. German astronomer
- 10. A Greco-Roman physician