(expanding on this) A little bit old... but not that old in the scale of things... The CPUs of Spacecraft Computers in Space https://www.cpushack.com/space-cra

(expanding on this) A little bit old... but not that old in the scale of things... The CPUs of Spacecraft Computers in Space https://www.cpushack.com/space-craft-cpu.html https://www.cpushack.com/space-craft-cpu.html (that is still 2012) https://news.ycombinator.com/item?id=25470678 https://news.ycombinator.com/item?id=25470678 (this discussion is from 2020)