Problem 1: After a star leaves the Main Sequence, what is its next stage?
Problem 2: During this stage, the star will become BRIGHTER/DIMMER, HOTTER/COOLER, and LARGER/SMALLER that is it now.
Problem 3: In which direction does it move on the H-R diagram?
Problem 4: What is the last stage of a low-mass star?
Problem 5: During this stage, the star will become BRIGHTER/DIMMER, HOTTER/COOLER, and LARGER/SMALLER that is it now.
Problem 6: In which direction does it move on the H-R diagram?