Across
- 2. A path around a celestial body
- 4. approach to understanding the world
- 5. Created Heliocentric model
- 7. the inventor of the telescope
- 8. the force between objects
- 9. the process of using mathmatical thinking
- 10. the man who formulated planetary motion
Down
- 1. Center Star
- 3. creator of the three laws of motion
- 6. Step one of the scientific method