the topic Equinox

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Across
  1. 4. - Equal duration with the day.
  2. 8. - Type of equinox in spring.
  3. 10. - Seasonal change.
  4. 12. - Type of equinox in fall.
  5. 13. - Imaginary line at 0 degrees latitude.
  6. 14. - Another celestial event.
  7. 15. - Length matches the night during this event.
Down
  1. 1. - Tilt of Earth's axis.
  2. 2. - Equal day and night.
  3. 3. - Apparent movement in the sky during the equinox.
  4. 5. - Sun's highest point during the equinox.
  5. 6. - Related to the sky or heavens.
  6. 7. - Month of the vernal equinox.
  7. 9. - Study of celestial events like equinoxes.
  8. 11. - Orbital position influences the __ equinox.