1. How large was the Earl of Rosse's telescope and how did the size compare to Newton's telescope?

2. What are the new observations by the Earl of Rosse mentioned in the video?

3. What is spectroscopy?

4. What are the Fraunhofer lines?

5. How is light generated?

6. How do scientists use Fraunhofer lines to discover the chemistry of stars?

7. What is the Doppler shift or the Doppler Effect and to what does the effect apply?

8. What is the evidence of the Doppler Effect in investigating sound?

9. What happens to Fraunhofer lines when a light source is moving towards the observer? Video Link - https://www.dailymotion.com/video/x19z4ps