What Would Happen If the Earth Were Made of Protons and the Moon Were Made of Electrons

What Would Happen If the Earth Were Made of Protons and the Moon Were Made of Electrons

As part of their ongoing “What If?” series, Randall Munroe of xkcd and Henry Reich of MinutePhysics answered the very specific question about what would happen if the Earth were entirely made of protons and the moon were entirely made of electrons. The long answer is that electron moons cannot orbit proton planets, as the negatively charged electrons would bounce off of one another. This is, by far, the most  destructive What-If scenario to dat…