Source of light

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Across
  1. 2. during moon festival
  2. 5. explode in the sky
  3. 6. a giant ball of hot gas
  4. 9. live in the deep ocean
  5. 10. prevent car accident
  6. 11. reflect the sun
Down
  1. 1. during camp
  2. 3. help sailors
  3. 4. need batteries
  4. 5. help to cook
  5. 7. in the middle of solar system
  6. 8. need oil and matches