Seasons

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Across
  1. 3. slant
  2. 5. season of birth
  3. 6. rotation around a large object
  4. 8. the two halves of the earth
Down
  1. 1. transition from summer to winter
  2. 2. line marking the middle of the earth
  3. 4. coldest season
  4. 5. warmest season
  5. 7. tilted at 23.5 degrees