earth/sun seasons vocabulary

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Across
  1. 2. when an object revolves around a celestial body (its also a gum)
  2. 6. the line at 23.5 degrees north
  3. 7. the point going through the center of earth
  4. 10. the southernmost point on earth
  5. 12. an oval shape
  6. 13. the days that the sunrise and sunset are at the same time
  7. 15. another name for polaris
  8. 16. the brightest star in the night sky
  9. 18. non concentrated light
Down
  1. 1. the northernmost point on earth
  2. 3. the zone between 23.5 degrees north and south
  3. 4. when something spins
  4. 5. What its called when the earth circles the sun(also what happened in 1765)
  5. 8. the longest and shortest days in a year
  6. 9. the way the earth spins
  7. 10. the star that earth orbits
  8. 11. the line at 23.5 degrees south
  9. 14. when the sunlight is concentrated and warm
  10. 17. the line around the largest middle part of the earth