Astronomy Puzzle

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Across
  1. 2. Second closest planet to the sun.
  2. 5. Closest to the sun.
  3. 6. Second to last planet.
  4. 9. Frozen gas that passes the sun.
  5. 11. First 4 planets.
  6. 12. Has rings.
  7. 14. Our home galaxy.
Down
  1. 1. Last planet from the sun.
  2. 3. Home to various rovers.
  3. 4. Has the Great Red Spot.
  4. 5. Rocky body that enters the Earth's atmosphere.
  5. 7. Rocky body orbiting the sun.
  6. 8. Pluto is one of these.
  7. 10. Our home planet.
  8. 13. Last 4 planets.