For a Sun-like star, what is a predicted consequence of its expansion into a Red Giant?

Answer

Engulfing the orbits of Mercury and Venus

The massive expansion during the Red Giant phase is significant enough that for stars like the Sun, its diameter is expected to swell past the orbits of inner planets like Mercury and Venus.

For a Sun-like star, what is a predicted consequence of its expansion into a Red Giant?
starstellar evolutionastrophysicsdwarf star