Seven earth-like exo-planets in terms of size, density and solar-radiation orbiting their dwarf-star (sun) in TRAPPIST-1 Solar System 40 light-years away whereby three hang in the 'habitable zone' {in relative proportional-dimensions to earth from its sun} indicating they can support 'liquid'-water on the surface making them potential destinations for technogeneticultural anatomically-modern postranshominization civilizations to colonize for habitation should a catastrophe threaten us.