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Chris Impey on the New Space Race and Exoplanet Habitation
Astronomer Chris Impey, author of the new book \u201cWorlds Without End: Exoplanets, Habitability, and the Future of Humanity\u201d and a professor at the University of Arizona, discusses the vast possibilities of extraterrestrial human habitation, why imagination is an important form of scientific speculation, and why humans\u2019 initial move to space will likely mirror the lawlessness of the Wild West.