Humans setting up home in outer space has long been the preserve of science fiction. Now, thanks to advances in technology and the backing of billionaires, this dream could actually be realised. But is it more likely to be a nightmare?Kelly and Zach Weinersmith join us to discuss their new book A City on Mars and some of the medical, environmental and legal roadblocks that may prevent humanity from ultimately settling in space.A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through? Kelly and Zach Weinersmith Particular Books (2023) Hosted on Acast. See acast.com/privacy for more information.