Planets

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Across
  1. 1. Scientist believes that there was water on the surface
  2. 3. Is the smallest planet
  3. 4. It has a 10 hours day
  4. 6. It's called the ice-giant and it has 27 moons
  5. 7. It's a gas-giant planet and it has one ring
Down
  1. 2. It has 13 moons and 6 rings
  2. 3. In 687 days this planet makes an orbit around the sun
  3. 5. It's a rocky planet but most of it is covered with water.