Picking Electives for a Career in NASA: Physics vs Maths

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I will get to pick some non ME electives corresponding to a semesters coursework, and my interests lies in these fields. Which will be more useful? I know the former is more physics focused and the other is more hardcore maths. I want to work for NASA after college, building or designing robots/spaceships/satellites/rockets.

 

[Maxwell]

For what you're interested in, and I'm basing this off of what you mentioned in your other thread, systems theory will be more useful for you as an AE/ME. It won't hurt to have a course in electronics, but I don't think taking courses in microelectronics is going to have more benefit than systems theory if you want to be an Aerospace/Mechanical engineer at NASA.