[metadat]

Engineering computer memory to work in space is a whole field of study, see Radiation Hardened memory. The main physical difference about space is the radiation profile and radiation induced memory upset.

Are you disputing that the Earth's atmosphere absorbs and reduces the amount of ambient cosmic radiation? Or where is the skepticism coming from?

[willis936]

I am disputing that cosmic ray showers are the obvious dominant source of terrestrial DRAM bit flips.