Great M3A No.17

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Across
  1. 3. is the second planet from the Sun and does not have any moon.
  2. 6. The.... is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly.
  3. 7. planet has the largest ring system?
  4. 8. It is the only world in our solar system with liquid water on the surface.
  5. 9. How many planets are there in the Solar System
Down
  1. 1. What is the smallest planet?
  2. 2. planet is not a gas giant
  3. 4. what planet has the most moons?
  4. 5. The smallest planet in our solar system and nearest to the Sun.
  5. 7. The star at the center of the Solar System.