Mark
Mark asked Andy Weir:

Your book was gripping, descriptive and was entirely plausible. At no point did I feel I needed to consciously suspend my disbelief. Did you base your novel entirely on scientific fact, or did you rely on certain assumptions to enable the story to flow in the direction you wanted?

Andy Weir It's very strongly based in scientific fact. See this question for more information: https://www.goodreads.com/questions/2...
Andy Weir
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