By his senior year he was team captain and a scholar-athlete, still the wiseass but also a determined cadet who loaded up with tough courses, such as advanced calculus, analytical geometry, and engineering—astronomical, electrical and mechanical. [emphasis mine]
Now, I'm pretty sure they meant aeronautical engineering, but that got me wondering if there is such a thing as astronomical engineering. Well, Wikipedia says there is something called astroengineering, which is about the construction of huge (and purely theoretical) objects in space. I wonder if Pop is thinking about Dyson spheres during timeouts.