It seems the Sun will become a Red Giant and not go supernova according to calculations. That means the Earth would be burned but the 4th planet, Mars, should r

It seems the Sun will become a Red Giant and not go supernova according to calculations. That means the Earth would be burned but the 4th planet, Mars, should remain unscorched. So, on a long enough timeline we must escape the Earth anyway. Let's get a head start!