Fear of space

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Across
  1. 4. Fear of space
  2. 6. Not being able to understand
  3. 9. not stopping
  4. 10. Bottomless space
  5. 11. Extreme fear
Down
  1. 1. never ending
  2. 2. Not reasonable
  3. 3. Another word for big
  4. 5. Living things from space
  5. 7. Everything that is the universe
  6. 8. The system of Which billions of stars connects