Problem 1: How are all stars born?
Problem 2: What will be the end result of the Sun?
Problem 3: How do black holes form?
Problem 4: What is a protostar?
Problem 5: How much mass does a star need to become a red giant?
Problem 6: What is happening in the Red-Giant-Branch phase?
Problem 7: What is happening in the Asymptotic-Giant-Branch phases?
Problem 8: What is a supernova?
Problem 9: What is a white dwarf?
Problem 10: What is a neutron star?
Problem 11: What is a black hole?