What are the stages in the life of a high-mass star? Be able to describe each stage briefly.
a) Protostar, main sequence, red giant, supernova, neutron star/black hole
b) Protostar, red giant, main sequence, supernova, neutron star/black hole
c) Main sequence, red giant, protostar, supernova, neutron star/black hole
d) Protostar, main sequence, supernova, red giant, neutron star/black hole