Space crossword

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Across
  1. 3. Our solar system
  2. 6. Dark with stars and planets
  3. 9. They made dinosaurs extinct
  4. 10. Very Bright
Down
  1. 1. There are 8 of them
  2. 2. They are only visible at night
  3. 4. our planets are in this
  4. 5. How we get to space
  5. 7. We live here
  6. 8. Shines at night