Countries and Capitals Crossword

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Across
  1. 1. Smallest planet, closest to the Sun
  2. 2. Second planet from the Sun, known as Earth’s twin
  3. 4. Small rocky body orbiting the Sun, mostly found in the asteroid belt
  4. 6. Icy celestial body that develops a tail when near the Sun
  5. 8. Largest planet in the solar system
  6. 9. Star at the center of our solar system
Down
  1. 1. Natural satellite of Earth
  2. 3. Planet known for its rings
  3. 5. Our home planet, third from the Sun
  4. 7. The red planet, fourth from the Sun