Earth

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Across
  1. 1. something that makes something else happen
  2. 4. the time between sunset and sunrise
  3. 5. in the direction of
  4. 7. start to be
  5. 10. turning around a central point
  6. 11. give the impression of being
Down
  1. 2. turn around quickly
  2. 3. turn around a central point
  3. 6. the time between sunrise and sunset
  4. 8. the planet we live on
  5. 9. one of the two surfaces of something flat