War of the world

1234567891011121314151617181920212223
Across
  1. 2. (v) knock hard, hit hard against something
  2. 3. (v) = discuss
  3. 9. (n) the length that covers the full circle
  4. 12. (n) half the length across the center of a circle from side to side
  5. 14. (adj) coming from the first source, firstly originated
  6. 16. (n) the place where meteorologists or astronomers work to watch the sky or universe
  7. 17. (n) strength
  8. 19. (n) a tube-shaped object with both ends opened
  9. 21. (n) space rock that shoots onto the Earth's ground
  10. 22. (n) space rock that shoots across the Earth like shooting star
  11. 23. (n) the full length across the center of a circle
Down
  1. 1. (n) something that interrupts a process
  2. 4. (v) see with one's own eyes, observe
  3. 5. (n) = instruction
  4. 6. (n) the genre that includes scientific matters of imagination
  5. 7. (n) giant snake or sea snake
  6. 8. (n) an event, something that happens
  7. 10. (n) a slightly different copy of something else/ the original
  8. 11. (adj) able to be or easily seen
  9. 13. (n) someone who watches or observes
  10. 15. (adj) unique, characteristic of its own kind
  11. 18. (adv) = apparently, obviously
  12. 20. (v) send out