Across
- 2. a systematic method used to observe nature
- 4. created the first ever geocentric model of the universe
- 7. discovered orbits were ellipses
- 8. used to observe the planets
- 9. developed laws of physics
- 10. established the heliocentric theory
Down
- 1. discovered circulation of blood
- 3. sun centered universe
- 5. earth centered universe
- 6. went blind observing the sun