ASTRONOMY!!!! for my final help
1. Why are black holes so difficult to study? Explain.
2. What is Andrea Ghez specifically interested in studying and why?
3. Why is it important for us to understand what a black hole is? Discuss and explain, in your
own words, why it is important to understand what a black hole is and the simple definition
of what black hole is.
4. What is a Schwarzchild radius and what does it have to do with a black hole? Explain.
5. What is the difference between a supermassive black hole and an ordinary black hole?
How do astronomers prove that there is a lot of mass inside a small volume? How does
Ghez show this during her talk?
6.
7. Towards the end of her Ted Talk, Ghez says, "it's actually like looking at a pebble at the
bottom of a stream." What is meant by this?
8. What is Ghez's favorite star? Do you have a favorite star? Why or why not?
9. What is the question Ghez and her graduate students are still trying to answer? Explain.
10. What questions do you still have about supermassive black holes after watching this Ted
Talk? Do you feel that you have a deeper understanding of what they are and why they are
important, like was asked of you in the third question? Explain and discuss.