Across
- 4. argued that nothing should be accepted as true unless proven
- 5. was one of the first scientists to record the position of the stars. He emphasized the idea of careful observation and data
- 8. wrote the book on the Revelation of celestial spheres
- 10. he was the first person to study the sky using a telescope
Down
- 1. made advances in astronomy by mapping the orbits of planets
- 2. argued that science should be pursued systematically to gain more knowledge
- 3. found the laws or motion and gravity
- 6. spheres Nicolas Copernicus wrote about this
- 7. Gallileo had to go here here because of heresy
- 9. Sir Issac Newton made this form of math