Nuclear reactors in space

When I hit that wall the other day and decided to rejig the ending of Translocator 2 (my sci-fi thriller novel WIP), a lunar nuclear reactor became important to the plot. I’d planned this from the beginning, but I was hazy on specifics.

Realizing I needed to backfill some of the details in the book, and wanting to make sure that it’s as realistic and technically accurate as a novel about teleportation, ancient aliens, and Mayan ruins can possibly be, I started searching around on the interweb...