Solar System

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Across
  1. 4. The only planet known to have life
  2. 5. ____ system
  3. 9. The number of planet in our solar system
  4. 11. The farthest planet from the Sun
  5. 12. The Sun is the ____ at the center of the Solar System
Down
  1. 1. The Red Planet
  2. 2. The Greeks called the Sun Helios and the Romans called it ____.
  3. 3. The planet nearest to the Sun
  4. 6. It takes Earth 365 days to ___ the Sun.
  5. 7. The planet with seven rings
  6. 8. Our galaxy
  7. 10. The hottest planet