Space

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Across
  1. 3. What you breathe in on Mars
  2. 7. The hottest!
  3. 8. The biggest
  4. 9. Has 14 moons
Down
  1. 1. Dwarf
  2. 2. The red planet
  3. 4. What created the universe
  4. 5. Where we even live
  5. 6. The closest to the sun