Discussion questions for The Sun as a Star

1. What would life on the Earth be like if the Sun
   1. were a red giant?
   2. were a binary star?
   3. had no magnetic field?

2. If you were looking for a radio signal from an alien civilization, what kind of stars would you look at first? Why?

3. Why is it important to study other stars to learn about our Sun?

4. Why are the vast majority of stars "main sequence stars"?

5. More massive stars have more fuel to burn than lower mass stars. However, the more massive the star, the shorter its lifetime. Why do you suppose this is the case?

Back to Today's Topic