Why do astronomers use telescopes?

Related questions

1. Why are stars so big?
2. Is the sun smaller than most stars?
3. Can telescope see through clouds?
4. What is distorted vision?
5. Which is closer to Earth moon or stars?
6. What is the hottest thing to exist?
7. How many years is a light year?
8. How did Hubble tell the universe was expanding?
9. What does distortion mean in photography?
10. What are the advantages of putting telescopes in space?

Tags

1. #because
2. #ultraviolet
3. #radio
4. #reasons
5. #light
6. #infrared
7. #microwave
8. #astronomers
9. #gamma
10. #better
11. #unable
12. #colors
13. #collect
14. #telescopes