In a world hurtling toward human expansion into space, Kelly and Zach investigate whether the dream of new worlds won't create nightmares, both for settlers and the people they leave behind. In the process, they answer every question about space you've ever wondered about, and many you've never considered: can you make babies in space? Should corporations govern space settlements? What about space war? Why do astronauts love taco sauce? With deep expertise, a winning sense of humour, the Weinersmiths investigate perhaps the biggest questions humanity will ever ask itself - whether and how to become multiplanetary.
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