Planets

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Across
  1. 3. I have 6 moons
  2. 5. I have no moons
  3. 7. I have a magnetic field that acts like a giant bar magnet
  4. 8. I am the closest planet to earth
Down
  1. 1. I am a gas giant
  2. 2. I am about half the size of the earth
  3. 4. I have 6 very thin rings
  4. 6. I spin on my side