What is the circle of illumination?

Related questions

1. What is the synonym of illuminate?
2. What does it mean to illuminate something?
3. Why is the Earth tilted at 23.5 degrees?
4. Is keyless entry the same as remote start?
5. What is the synonym of dark?
6. What is the noun form of illuminate?
7. What is illuminate education?
8. Why does the circle of illumination not coincide with the Earth's axis?
9. What is illumination engineering?
10. What is another word for verify?

Tags

1. #earth
2. #division
3. #latitude
4. #length
5. #equal
6. #degrees
7. #places
8. #circle
9. #night
10. #illumination
11. #between
12. #bisects
13. #always
14. #autumnal
15. #latitudes
16. #equator
17. #hours
18. #spring
19. #equinoxes