Per Ardua Ad Astra

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Across
  1. 4. The holes in a certain bubbly chocolate bar?
  2. 5. Storm that really won Battle of Britain
  3. 8. CFL quarterback, commentator and coach Don ___
  4. 10. Carrying troops was not one of this demigod’s jobs
  5. 12. Night hunter with a starry belt
  6. 14. He gave Napoleon the boot?
  7. 15. Ivy League trainer?
  8. 17. Night light of the dawn goddess
  9. 19. Billy wasn’t a cardinal or pope
Down
  1. 1. Royalty with rod and reel?
  2. 2. WWII ace and famous speedster
  3. 3. Virile feline (Jerry’s nemesis?)
  4. 6. Snoopy’s aviator foe
  5. 7. Biplane for a desert caravan
  6. 9. This shaggy horned bovine isn’t found in North America
  7. 11. This doll comes with pins
  8. 13. Trendy neckwear for old mariners
  9. 16. Did he do bicep curls before his lunar adventure?
  10. 18. Beware, dragons do this