Space race epic crossword

1234567891011121314151617181920
Across
  1. 2. filled
  2. 4. computer no one could use at NASA
  3. 8. 3,2,1!
  4. 9. the path of a spacecraft or a celestial object around something
  5. 12. She went to a all-white school to obtain a degree
  6. 13. the one on the bathroom indicates who can use it
  7. 17. hidden...?
  8. 19. not announced
  9. 20. a high-level computer programming language used especially for scientific calculations
Down
  1. 1. the heat ... of the capsule has a problem
  2. 3. Katherine covers the blackboard with these
  3. 5. Al Harrison always tells to look....
  4. 6. an iron bar with a flattened end, used as a lever
  5. 7. the important astronaut
  6. 10. He/she covers some numbers with a black marker
  7. 11. send a rocket into space
  8. 14. the force or energy with which a body moves
  9. 15. Dorothy job at NASA
  10. 16. the string Katherine receives from her colleagues
  11. 18. unwilling