When the Sun Moves Off the Main Sequence, It Will

Q3: As a main sequence star evolves off

Q4: What is degenerate matter?

Q5: Define nuclear fusion.

Q6: If you observe a variable star with

Q7: Giant and supergiant stars are rare because

Q9: Explain how one of the four laws

Q10: Briefly explain why there is a main

Q11: Astronomers determine the internal structure of a

Q12: When a gas is so dense that

Q13: The period-luminosity relation for Cepheid and RR