vocabulary in space

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Across
  1. 2. the ability to do something successfully or efficiently
  2. 4. skill in performing tasks
  3. 5. a way of dealing with something
  4. 6. a Russian astronaut
  5. 8. a phrase or opinion that is overused and betrays a lack o original though
  6. 11. of or relating to work performed in space outside of spacecraft
  7. 14. respect and admiration felt for someone or something on the basis of their achievements or quality
  8. 15. extreme tiredness
  9. 17. involving or denoting a speed greater than that of sound
  10. 19. just\only
Down
  1. 1. unwittingly
  2. 3. an introduction to something more substantial
  3. 6. a gift or payment to a common fund or collection
  4. 7. enough or more than enough
  5. 9. throw or drop(something) from an aircraft or ship
  6. 10. more suddenly and powerfully forward or upward
  7. 12. anxiety or fear that something bad or unpleasant will happen
  8. 13. a defect in the eye or in a lens
  9. 16. the process of corroding metal, stone,or other materials
  10. 18. allowing liquids or gases to pass through