One of the interesting things is that there is some really high energy particles running around in space. If you have a lot of shielding, you risk these particl

One of the interesting things is that there is some really high energy particles running around in space. If you have a lot of shielding, you risk these particles hitting that shielding causing a cascading effect making things worse (My father designed satellites and we used to chat about this stuff when I was a kid).