Across
- 5. In what book did Newton formulate the mechanical laws of motion and attraction that govern celestial and terrestrial objects?
- 7. Who used Galileo's, Copernicus', and Kepler's findings into a single theoretical system?
- 8. Who discovered three laws of planetary motion that greatly advanced astronomical knowledge?
- 10. Who used mathematics to support his theories?
- 11. "Beside the planet there were three _____, small indeed, but very bright."
- 13. What did these scientific thoughts contradict?
Down
- 1. Which book in the bible did Martin Luther point out in attacking Copernicus?
- 2. What planet did Galileo Galilei closely investigate?
- 3. _____ was annoyed that the movements of the planets were not fully understood by philosophers.
- 4. Who supposed the earth moved in Cicero?
- 6. Galilei used the _____ lens to perceive objects three times closer and nine times larger than when seen by the naked eye.
- 9. What are Heavenly Spheres?
- 12. Galilei constructed an instrument that made object appear one thousand times larger and over _____ times closer than when seen by the naked eye.