astronomy

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Across
  1. 2. A storm caused by the sun
  2. 5. The center of each solar system
  3. 7. Our home planet
  4. 10. A planet known for its rings
  5. 11. The most well known space agency
  6. 12. The stem for "moon"
  7. 13. Largest moon in the Solar System
Down
  1. 1. An orbiting satellite around a planet
  2. 3. Closest major neighboring galaxy
  3. 4. Smallest planet in our solar system
  4. 6. Largest planet in our solar system
  5. 8. A group of stars that guided people in the night
  6. 9. Largest moon of Saturn
  7. 10. When the moon and sun are aligned