DR 39

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Across
  1. 3. a boat whose hull is fitted underneath with shaped vanes (foils) that lift the hull clear of the water to increase the boat's speed
  2. 4. a vivarium for smaller land animals, especially reptiles, amphibians, or terrestrial invertebrates, typically in the form of a glass-fronted case
  3. 6. a small dog of a breed originally used for turning out foxes and other burrowing animals from their lairs
  4. 7. having lost a large amount of water from the body
  5. 9. a small rocky body orbiting the sun
  6. 11. existing, occurring, or done under the earth's surface
  7. 12. a person who is trained to travel in a spacecraft
  8. 15. the branch of technology and industry concerned with both aviation and space flight
  9. 16. existing, happening, or operating in the air
  10. 17. cause to absorb water
  11. 18. the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world
  12. 19. a fixture in a street or other public place with a nozzle by which a hose may be attached to a water main
  13. 21. feats of spectacular flying performed in one or more aircraft to entertain an audience on the ground
  14. 22. a substance enclosed under pressure and able to be released as a fine spray
Down
  1. 1. vigorous exercises, such as swimming or walking, designed to strengthen the heart and lungs
  2. 2. denoting, relating to, or operated by a liquid moving in a confined space under pressure
  3. 5. of or from outside the earth or its atmosphere
  4. 8. a stretch of land, especially with regard to its physical features
  5. 10. a sudden event, such as an accident or a natural catastrophe, that causes great damage or loss of life
  6. 13. an area of land under the jurisdiction of a ruler or state
  7. 14. a symbol used to mark printed or written text
  8. 19. a colorless, odorless, highly flammable gas
  9. 20. the branch of science that deals with celestial objects, space, and the physical universe as a whole
  10. 21. a traveler in a hot-air balloon, airship, or other flying craft