A Goodreads user
A Goodreads user asked Andy Weir:

Hi! I loved your book so much! At first I borrowed it from my friend but then went out to buy it myself! I want to be an astronaut someday and there were a lot of science terminology in the book. How did you know so much? Was some of that loose science too? Thanks for writing the book! Allison

Andy Weir I've been a space dork my whole life. So I started out with a lot of knowledge in those areas. But yeah I had to do lots and lots of research and math. :)
Andy Weir

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