SPACE CROSSWORD

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Across
  1. 1. Known as the "Red Planet"
  2. 3. Famous for it's rings
  3. 5. Number of planets in solar system
  4. 6. Another word for solar system
  5. 7. Smallest planet
  6. 8. Closest planet to the sun
  7. 9. What takes approximately 365 days to rotate around the sun
Down
  1. 2. The study of the solar system
  2. 4. The largest planet
  3. 5. Coldest planet in the solar system