Terr & Naut

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Across
  1. 3. to steer or direct a ship or airplane
  2. 4. a hollow stone found on the earth that is lined on the inside with crystals
  3. 5. a fleet of ships; the warships of a nation
  4. 9. a person who is trained to travel in space
  5. 11. an area, region, or piece of land
  6. 12. a sickness that makes the stomach feel sea sick
Down
  1. 1. the study of earth
  2. 2. a person who studies the regions of the earth
  3. 6. under the surface of the earth; underground
  4. 7. relating to the sea, ships, and travel
  5. 8. related to sailing, sailors, and ships
  6. 10. land;earth