At the end of its life, the remaining core of this star will be left behind as
A)a black hole.
B)a supernova.
C)a white dwarf made primarily of silicon and iron.
D)a white dwarf made primarily of carbon and oxygen.
E)a neutron star.

Question

Quizplus · Accepted Answer

This star is a massive star, but not massive enough to become a black hole. It is also not a supernova because it is not exploding at the end of its life. Instead, it will become a white dwarf, which is a remnant of a low- to medium-mass star. The composition of the white dwarf will depend on the composition of the original star. Since this star is made primarily of carbon and oxygen, the remaining core will also be a white dwarf made primarily of carbon and oxygen.

At the End of Its Life, the Remaining Core of This