I’m a big fan of John Bonner’s Comic Crits
http://io9.com/seveneves-is-a...
Aurora is about a generation ship headed to Tau Ceti, but after reading through the book, Bonner comes to the conclusion that sure, we can build our own little sliver of the Earth to transplant somewhere else, but in doing so, we neglect the very home that we left behind.
Earlier this week, Robinson spoke with us about an alien contact scenario that we haven’t thought about