extraterrestrial n. A hypothetical form of life existing outside the Earth or its atmosphere, especially intelligent life on other planets or in other solar systems; as, what would you say to an extraterrestrial?.
... ask if you have no concern outside selfish interest, for the answer is immediate and obvious; but isnt it to that same selfish interest to protect what remains of the world? If the other continents go as North America has gone, will you alone be divinely translated to some extraterrestrial sphere? And if so, will you take your wealth and power ... — Greener Than You Think • Ward Moore