What will happen to the star after stage VIII?
A. Its outer layers will be ejected as a planetary nebula and its core will become a white dwarf.
B. It will continue to expand gradually until carbon fusion begins in its core.
C. It will explode as a supernova and leave a neutron star or black hole behind.
D. It will remain in stage VIII for about 10 billion years, after which its outer layers will shrink back and cool.
Answer:A
What will happen to the star after stage VIII?
A. Its outer layers will be ejected as a planetary nebula and its core will become a white dwarf. B. It will continue to expand gradually until carbon fusion begins in its core. C. It will explode as a supernova and leave a neutron star or black hole behind. D. It will remain in stage VIII for about 10 billion years, after which its outer layers will shrink back and cool.