Kim Stanley Robinson's 2015 generation ship novel — following a multigenerational voyage to Tau Ceti, ultimately arguing that Earth is the only planet humans can truly inhabit — a critique of the colonization-of-space narrative.
Makes the case against interstellar colonization through rigorous science fiction — Aurora's argument that no exoplanet can replicate Earth's evolved biosphere (the 'island biogeography' problem at interstellar scale) challenges the techno-optimist vision of humanity spreading to the stars.
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