Across
- 4. sundial
- 6. earth is the center of the solar system
- 8. when the moon covers the Earth
- 9. suggest the moons shines by reflected sunlight
- 11. argued for stationary spherical earth
- 13. action of moving
- 14. sun is the center of the solar system
Down
- 1. velocity changes time
- 2. tendency of an object to resist motion
- 3. an event where celestial body aligned
- 5. when the Earth's shadow the moon
- 7. calculated the earths circumference
- 10. planet with rings
- 12. a push or pull