Solar system crossword

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Across
  1. 1. known as the earths twin.
  2. 4. known as the 'red planet'.
  3. 5. the largest planet.
  4. 8. furtherest planet from earth.
Down
  1. 2. furtherest from the sun.
  2. 3. known for its rings.
  3. 4. planet closest to the sun.
  4. 6. smallest planet.
  5. 7. home to all known life.