Lunar Water Crossword

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Across
  1. 2. Maybe, lunar water was in the moon’s _ _ _ _ _ _ _ _ _.
  2. 4. Earth’s _ _ _ _ _ _ _ affects the moon’s speed of rotation.
  3. 7. PSRs have not seen sunlight for _ _ _ billion years.
  4. 9. Sunlight does not reach the moon’s _ _ _ _ _.
  5. 10. The moon’s dark spots were believed to be _ _ _ _.
  6. 12. Crashing _ _ _ _ _ _ may have introduced water.
  7. 13. We never see the _ _ _ side of the moon.
  8. 14. _ _ _ moon theory states that the moon is waterless.
  9. 16. The Lunar _ _ _ _ _ _ _ _ _ _ _ will orbit the moon.
  10. 17. In the extreme cold of PSRs, water _ _ _ _ _ _ _.
  11. 18. A _ _ _ _ _ space station will need a water source.
Down
  1. 1. Water could provide _ _ _ _ for astronauts.
  2. 2. The _ _ _ _ _ lunar rover will explore the moon’s south.
  3. 3. Water is made up of oxygen and _ _ _ _ _ _ _ _.
  4. 5. The _ _ _ _ _ _ _ missions will return humans to the moon.
  5. 6. The atmosphere is the layer of air around a _ _ _ _ _ _.
  6. 8. _ _ _ _ _ _ is the gaseous state of water.
  7. 11. Permanently _ _ _ _ _ _ _ _ Regions are very cold.
  8. 15. The Latin name for the moon’s dark spots is _ _ _ _ _.
  9. 16. Lunar _ _ _ _ _ _ _ Vehicles work autonomously.