Note topic for chapter 17 what is the source of the sun’s energy What is the structure of the Sun What is the Future of the sun how can we learn about the interior of the sun How is energy transported out of the sun What role do magnetic fields play in solar phenomena How can we account for the sunspot cycle

Note topic for chapter 19 Why do stars evolve What can be learned about stellar evolution by studying the H-R diagrams In what ways are all main sequence stars alike and in what ways are they different What happens to a star when it finishes the main sequence part of evolution Why do some stars pulsate How do stars make heavy elements

Note topic for chapter 20 How does a star get to be a white dwarf What happens to stars too massive to become white dwarfs How are neutron stars and supernovae related What is a pulsar, and how does it produce pluses What is curvature of space, and how is it an alternative to Newton’s theory of gravity What is a black hole, and how does a collapsing star form one