Chapter 1; Section 1,2,3

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Across
  1. 3. a stage in a process of change or development.
  2. 4. a dark region of considerable extent on the surface of the moon.
  3. 6. Part way between a full moon and a half moon, or between a half moon and a full moon.
  4. 7. Part way between a half moon and a new moon, or between a new moon and a half moon
  5. 8. Quarter Looks like half a circle with the right side lit by the sun
  6. 10. a single complete cycle of such orbital or axial motion.
  7. 12. the region in which only a portion of the light source is obscured by the occluding body.
  8. 14. Phase When the moon looks smaller each night
  9. 16. Either of the two points on the celestial sphere where the ecliptic crosses the celestial equator.
  10. 18. the innermost and darkest part of a shadow, where the light source is completely blocked by the occluding body.
Down
  1. 1. the regular rise and fall in the surface level of the Earth's oceans, seas, and bays caused by the gravitational attraction of the Moon and to a lesser extent of the Sun.
  2. 2. Phase the moon is getting larger in the sky moving from the New Moon towards the Full Moon.
  3. 5. Either of the two points in the ecliptic farthest from the equator.
  4. 9. Eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun.
  5. 10. The act or process of turning around a center or and axis.
  6. 11. The path of a celestial body or an artificial satellite as it revolves around another body.
  7. 13. Moon When the moon is not visible from Earth, because the side of the moon that is facing us is not being lit by the sun.
  8. 15. Eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow).
  9. 17. Moon Appears as an entire circle in the sky