Space Puzzle

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Across
  1. 1. r(the only planet with rings)
  2. 3. s(twinkle)
  3. 6. o(the night king)
  4. 7. c(first planet closet to the sun)
  5. 8. i(across the sky)
  6. 9. a(our planet)
Down
  1. 2. n(a person who travels in space)
  2. 4. t(around)
  3. 5. n(hot ball)