Solar System

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Across
  1. 4. Planet known as the red planet
  2. 5. this used to be called a planet, but now it isn't
  3. 7. planet named after the sea god
  4. 8. an icy rock that has bright tail when it comes close to the sun
Down
  1. 1. the largest planet in the solar system
  2. 2. the paht that a planet takes around the sun
  3. 3. Earth's companion
  4. 6. planet closest to the sun