Astronomy Puzzle

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Across
  1. 4. rare moon
  2. 6. orbiting rock
  3. 8. happens 2 times a year
  4. 11. star patterns
  5. 12. ball that generates light
Down
  1. 1. how a star dies
  2. 2. icy rock
  3. 3. our galaxy
  4. 5. the distance that light can travel in one year
  5. 7. after sunset and before sunrise
  6. 9. large blackhole
  7. 10. when a shadow of one planet falls on another