[COEXERJ145]

Does proximity to Earth shield them from cosmic rays to any extent?

The ISS is in a low enough orbit that it is protected by the Earth's magnetic field.

[FireTrack]

The ISS is in a low enough orbit that it is protected by the Earth's magnetic field.

What's the temp in space out of direct sun light? Cold enough to support a super conductor generated magnetic field around a space craft? I think so! ;-)