The Beautiful Night Sky

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Across
  1. 3. To turn or to spin
  2. 5. Something that isn't easy to understand
  3. 7. Something that has to do with the sun
  4. 8. A small piece that has broken off something
  5. 10. Easy to carry around
  6. 11. To show something that was a secret
Down
  1. 1. A curved shaped with two pointed ends
  2. 2. Trash or rubbish that has been left floating around
  3. 4. A scientist who studies space
  4. 6. Something exact, certain
  5. 7. A small piece of something
  6. 9. Something that is in the shape of an egg