Answer the 10 short answer: 1- The definition of a star is: “a glowing ball of gas held together by gravity, powered by nuclear fusion.” Break this definition down in your own words and explain what it means.

2- What is the significance of sunspots? Can they indirectly affect life here on Earth?

3- Is there anything particularly remarkable about our Sun compared to other stars? Why or why not?

4- What have been some of the ways radio observations have been useful, as discussed in this class?

5- Name at least one molecular cloud that we’ve discussed in lecture.

What is the significance of these objects? 6-Describe how we used star clusters to determine stellar ages.

7-Describe the situation that leads to shell burning in stars. 8-Black holes are oftentimes considered objects with “exotic physics.”

Why do you think this is? 9-Why was the subject of relativity brought up in this class?

How and what was it used for? 10-What are the different pos

sible end results of a star? Which type do you think is the most common and why?

Note: you do not need to be correct about which is the most common, just explain your choice.