Question

What can a star become from a red giant, and then what after that?

Answer 1

normal stars become red giants, super-massive stars become red super-giants

Explanation:

After red giants the star shrinks and forms a white dwarf, then a black dwarf, while the material shed from the star becomes a nebula, super giant stars go supernova the material form nebula, while the remains either become a black hole or a neutron star