Earths rotation and revoloution

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Across
  1. 4. light from source in space
  2. 6. around a person
  3. 7. timely climate
  4. 9. start of extreme season
Down
  1. 1. start of calm season
  2. 2. at an angle
  3. 3. cold weather
  4. 5. circling around
  5. 8. invisible line
  6. 10. warm weather