Invasion from Mars

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Across
  1. 2. frightened and surprised
  2. 3. discussing with others
  3. 6. hard to describe
  4. 8. to communicate
  5. 10. adventurous and unafraid
Down
  1. 1. brightly lit
  2. 4. very unusual; remarkable
  3. 5. to act in response to something
  4. 7. a sense of wonder
  5. 9. to lose brightness or color