Astronomy

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Across
  1. 5. warmest planet
  2. 7. ice giant
  3. 9. exploded star
  4. 10. biggest star
  5. 12. distant ice giant
  6. 14. what our sun will become
  7. 15. biggest planet
  8. 16. first element
Down
  1. 1. point of no return
  2. 2. last of the inner planets
  3. 3. our star
  4. 4. closest to sun
  5. 6. ringed gas giant
  6. 8. home
  7. 10. stronger than light
  8. 11. made in the heart of the star
  9. 13. keeps the universe together