How does the atmosphere affect telescopes?

Related questions

1. What is distorted vision?
2. What is the difference between seeing and observing?
3. What does seeing mean to an astronomer?
4. Why are stars hot and bright?
5. What is a seeing disk?
6. What is pincushion effect?
7. Are stars farther than the sun?
8. What is plate height?
9. What is the hottest and coldest star?
10. What is lens distortion correction?

Tags

1. #twinkle
2. #variation
3. #atmosphere
4. #temperature
5. #caused
6. #which
7. #rapid
8. #transmission
9. #telescopes
10. #space
11. #earth
12. #information
13. #makes
14. #scintillation
15. #affect
16. #stars
17. #appear
18. #density
19. #differences