Solar System

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Across
  1. 4. The Blue Planet
  2. 6. Smaller bodies in orbit around the sun
  3. 7. The star at the center of solar system
  4. 8. Largest planet in the solar system
  5. 9. The Red Planet
Down
  1. 1. Distance travelled by light in a vaccum in one tropical year
  2. 2. Our Galaxy
  3. 3. Morning star
  4. 5. Earth's only natural satellite
  5. 7. Titan is the largest moon of ___________