Across
- 4. the astronomer who improved the telescope
- 5. Device used to measure atmospheric pressure
- 9. known for his laws of motion and gravity
- 10. who emphasized empirical evidence in his philosophical work
Down
- 1. formulated the laws of planetary motion
- 2. a polish astronomer who challenged the geocentric theory
- 3. who co-invented calculus
- 6. the inventor of the first barometer
- 7. The famous comment named after a English astronomer
- 8. Unit of force, named after a scientist
