w33dwizrd

ah yes, the standard fallback answer in graduate level astro classes. If you can't explain something... magnetic fields?

These projects also have long development periods, they want to be sure everything works so they can't just sub things out at the last minute. So you end up with a system using 10 year old tech.

Will be interesting when missions are being launched utilising the tech of today, like rad hardened neuromorphic chips https://www.businesswire.com/news/home/20200902005406/en/Bra...