Across
- 2. developed the first mercury barometer
- 6. who created the geocentric theory
- 7. created first vaccine
- 8. creates first microscope
- 9. dissected human corpses and published his observations
Down
- 1. published Starry Messenger
- 2. recorded the movements of planets
- 3. conclude mathematical laws governed planetary motions
- 4. created the heliocentric theory
- 5. Newton published Principia Mathematica
