So, yes, the Earth will eventually be incinerated along with the other inner planets, but sulfur (brimstone) will not be part of the cycle, as what little sulfur is contained in the sun will be blown off along with its other components as the star shrinks to a white dwarf around a carbon / oxygen core. (religion.blogs.cnn.com)
That bolstered the theory that Earth and the other inner planets swallowed an earlier set of small, iron - cored planets. (discovermagazine.com)
Vesta, though a shade smaller, is in some ways even more deserving of the title, sharing many of the geological qualities that define Earth, Mars, and the other inner planets. (discovermagazine.com)