Henry's Crossword Puzzle

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Across
  1. 3. Known for its red color
  2. 6. Is the farthest planet from the Sun
  3. 9. Known as the "Gas Giant"
  4. 10. Neil Armstrong was the first to ever walk on it
  5. 11. The hottest planet in the solar system
  6. 12. Has a massive black hole in the middle of it
Down
  1. 1. Is the biggest planet in the solar system
  2. 2. Is known for its large rings
  3. 4. Killed out the dinosaurs
  4. 5. Is the core of the solar system
  5. 7. The only planet we can live on
  6. 8. Is no longer considered a planet
  7. 10. This planet has no atmosphere