Across
- 5. the greater the ___ the greater the pull of gravity
- 6. the direction the position of stars shifts
- 9. a body that orbits a planet
- 13. area of shadow sun is partially blocked
- 17. he revolutionized the science of astronomy
- 18. the measure of the force of gravity on an object
- 20. giant ball of superheated gas
- 21. the sun is in the center of this model
- 23. the force that keeps earth in orbit
- 24. this eclipse occurs during a full moon
- 27. a pattern or group of stars
- 28. tide with most significant difference
- 29. the orbit of each planet is this oval shape
Down
- 1. gravity is affected by the ____ of two objects
- 2. this is tilted at 23.5 degrees
- 3. the tendency of an object to resist change
- 4. discovered moons around jupiter
- 7. type of light during summer
- 8. this planets phases supported heliocentric model
- 10. the different shapes of the moon
- 11. one orbit around the sun
- 12. rise and fall of ocean water every 12.5 hours
- 14. darkest shadow light from sun completely blocked
- 15. earth spinning on its axis
- 16. during a ___ moon the moon is between sun and earth
- 19. earth is in the center of this model
- 22. type of light during winter
- 25. tide during first and third quarter
- 26. a scientist said planets moved in epicycles