Why the sun looks red before sunrise and sunset?

Related questions

1. Is cyan a cool color?
2. Why the water is cyan color?
3. What happens when you mix cyan magenta and yellow?
4. Why is blue called Cyan?
5. What does the name Eoin mean?
6. Is Turquoise a girl color?
7. What is the difference between turquoise and cyan?
8. How much is turquoise worth?
9. Is the opposite of red cyan or green?
10. Why do printers use cyan magenta and yellow instead of RGB?

Tags

1. #therefore
2. #scattered
3. #because
4. #appear
5. #enters
6. #atmosphere
7. #light
8. #which
9. #close
10. #sunrise
11. #sunset
12. #during
13. #other
14. #larger
15. #mostly
16. #least
17. #horizon
18. #hence
19. #travel