What is the remnant of a low-mass star? A high-mass star? When and how do these two types of stars die?
a) White dwarf; Neutron star/black hole; Low-mass stars die in a supernova explosion, high-mass stars die as white dwarfs
b) Neutron star/black hole; White dwarf; Low-mass stars die as white dwarfs, high-mass stars die in a supernova explosion
c) White dwarf; Neutron star/black hole; Low-mass stars die as white dwarfs, high-mass stars die in a supernova explosion
d) Neutron star/black hole; White dwarf; Low-mass stars die in a supernova explosion, high-mass stars die as white dwarfs