Sorry, I've been trying to edit my above post to improve the layout and to add a phrase, but the edit function keeps hanging up.
I'll fix the layout for readability later, but what I was trying to add was:

So basic physics gives us an excellent reason to assume that an unheated Apollo capsule would fall below freezing. It therefore appears that we do need some specifics of Apollo design if the problem is to be considered further.

Grant Hutchison