>>10936635>keep Earth from being consumedEarths orbit is inside the error bars for the expansion of the sun it might wind up inside the sun, or it might get baked away in a super close orbit. Either way you don't want to be on earth when it happens.
If humanity was still around by then they would have hopefully expanded to colonize the rest of the solar system and a few nearby stars, so the loss of a planet wouldn't be a big deal outside of scientific curiosity and spectacle.