Maia's Space Crossword

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Across
  1. 2. The first planet in our solar system
  2. 4. This planet has the Olympus mons, the largest volcano in ousolar systemem
  3. 6. Known as the blue planet
  4. 8. The biggest planet in our solar system
Down
  1. 1. The smallest gas giant in our solar system
  2. 3. Known for its rings
  3. 5. Known as Earth's twin
  4. 7. The 3rd planet in our solar system