Kelly and Zach Weinersmith discuss important unanswered questions about human space settlement in their new book, A City on Mars.
Book excerpt: 'A City on Mars'
Source: space
Source Link: https://www.space.com/city-on-mars-book-excerpt-weinersmiths
Kelly and Zach Weinersmith discuss important unanswered questions about human space settlement in their new book, A City on Mars. Book excerpt: 'A City on Mars' Source: space Source Link: https://www.space.com/city-on-mars-book-excerpt-weinersmiths
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