Merry Xmas and Hammy New Year!

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Across
  1. 1. / Galileo's
  2. 4. / Pickle breath
  3. 5. / A metaphor for passion
  4. 6. / You'll see me more than once in this puzzle
  5. 7. / Swampmate
  6. 9. / You're a fan of this story, and who can blame you?
  7. 12. / Easily frightened miss
  8. 16. / Yellow movie character
  9. 20. / Julia's imaginary friend
  10. 22. / A dandy
  11. 23. / A friend of …
  12. 24. / 2 PhDs
  13. 25. / You'll see me only once in this puzzle
  14. 27. / Harlan Ellison's better half
Down
  1. 1. / Famous explorer
  2. 2. / Blue movie character
  3. 3. / A true Turkish delight
  4. 8. / Hairy chested
  5. 10. / Doc, Dopey, Bashful, Grumpy, Sneezy, Sleepy, Happy, ____(,)____
  6. 11. / I'm a fan of this story, and who can blame me?
  7. 13. / Vermilion
  8. 14. / Bye, bye hammy!
  9. 15. / What a history teacher teaches
  10. 17. / Many a song has been written for her
  11. 18. / What we speak with
  12. 19. / Heinlein's, for short
  13. 21. / Bedroom surprise
  14. 22. / Amazing
  15. 24. / A good sport
  16. 26. / Houston friend?