What is the significance of the findings?

What surprising facts were revealed by the research?

What was the example of the eclipse and why is it relevant?

How did the famous scientists, whose examples were given, view their work and what motivated them?

What was the “Copernican Principle” stated at the beginning of the video and is this what Copernicus actually espoused himself (revealed at the end)?

For a quick reference to the video again:

https://www.youtube.com/watch? v=QmIc42oRjm8 (only the first hour of it is fine)