Across
- 3. Danish astronomer who recorded detailed observations of the stars and planets
- 5. Scientist who developed the laws of planetary motion
- 7. Model of the universe with Earth at the center
- 9. English physicist who formulated the laws of motion and universal gravity
- 11. Instrument used to observe distant celestial bodies
- 12. Way Galaxy that includes our solar system, studied by Galileo
- 13. Tool that allowed scientists to observe tiny organisms and cells
Down
- 1. – Italian scientist who improved the telescope and supported heliocentric theory
- 2. Philosopher who emphasized reason and mathematics in scientific thought
- 4. Force that attracts objects toward one another, explained by Newton
- 6. Philosopher who promoted the scientific method and empirical research
- 8. – Polish astronomer who proposed the heliocentric model of the solar system
- 10. Model of the solar system with the Sun at the center