Given that our moon was probably formed by an impact with a Mars sized object 4 billion years ago, we may score ourselves a second moon. This may well appeal to Bart Simpson
. Mind you, the human race is highly unlikely to be around in 1 billion years time as we are such a fragile species really. Next supervolcano eruption and urban humans in particular will be history
.Seeing conditions will be hopeless, the volcanic ash will scratch mirrors.Last supervolcano eruption in Indonesia about 75,000 years ago wiped out almost all the human population. Only about 20-100 survived to repopulate and now maybe destroy the earth.