Sun Moon and Earth

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Across
  1. 2. move or cause to move in a circle around an axis or center.
  2. 3. the force that attracts a body toward the center of the earth,
  3. 7. stable in shape
  4. 10. having the observable illuminated part greater than a semicircle
  5. 12. when the moon passes in th earths shadow
  6. 13. an instance of revolving.
  7. 14. a system of millions or billions of stars
  8. 16. when the lit up side of the moon increases
  9. 18. the curved sickle shape of the waxing or waning moon.
  10. 19. a three-dimensional representation
  11. 22. the state of the tide when at its highest level.
  12. 23. having no fixed shape or volume
  13. 24. a tide of least range occurring at the first and third quarters of the moon.
  14. 25. an object that orbits a planet
Down
  1. 1. the force of attraction between everything
  2. 4. a minute portion of matter.
  3. 5. a tide just after a new or full moon
  4. 6. an obscuring of the light from one celestial body
  5. 8. the alternate rising and falling of the sea
  6. 9. the Moon passes between the Sun and Earth
  7. 11. when the moon has a progressively smaller part of its visible surface illuminated,
  8. 12. the state of the tide when at its lowest level.
  9. 15. an imaginary line about which a body rotates.
  10. 17. when a solid becomes a liquid
  11. 20. each of the four divisions of the year
  12. 21. conforms to the shape which it is held