Adam Brown asked Andy Weir:

Did you come up with the mission profile and technology first, then try to solve problems using it, or did you have to add technologies to the mission for him to use when solving problems?

Andy Weir Definitely the mission profile and tech came first.

How much of the intricate research did you already possess, and how much did you need to conduct for each of those beats? And where did you get the info from?

Greg Doll asked Andy Weir:

Jay asked Andy Weir:

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