That's fair. I meant they would need a clear path to open space not blocked by solar panels, but yes, a hot and cold side makes sense.

The whole concept is still insane though, fwiw.

"I meant they would need a clear path to open space not blocked by solar panels, but yes, a hot and cold side makes sense."

This is precisely why my didactic example above uses a convex shape, a pyramid. This guarantees each surface absorbs or radiates energy without having to take into account self-obscuring by satellite shape.