What will happen to the Sun after it loses so much mass that its gravity becomes weaker?
A. It will expand and become a white dwarf, then eventually shrink to
become a red giant.
B. It will collapse and become a red giant, then eventually shrink to
become a white dwarf.
C. It will expand and become a red giant, then eventually shrink to
become a white dwarf.
D. It will collapse and become a white dwarf, then eventually expand
to become a red giant.