> near absolute-zero temps Although space is cold, due to the vacuum the biggest issue is getting heat away from the devices. That's why the main part of EVA s

> near absolute-zero temps Although space is cold, due to the vacuum the biggest issue is getting heat away from the devices. That's why the main part of EVA suits is liquid cooling. > radiation of space without being using radiation hardened silicon They are only in low earth orbit, so the magnetic field of the earth would provide pretty good protection.