Au-Aee M.3A

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Across
  1. 2. is the star at the center of the solar system.
  2. 4. a cold, desert-like place covered in dust.
  3. 6. is the most massive planet in our solar system.
  4. 8. two-thirds of the planet covered by ocean.
  5. 9. the planet known most for its rings.
Down
  1. 1. Earth's twin in size.
  2. 3. first planet predicted to exist by using math.
  3. 4. the closest planet to the sun
  4. 5. system
  5. 7. large objects that orbit, or travel around, stars.