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Shadowed Lunar Craters May Be Coldest Spot In the Solar System
sciencehabit writes "Science reports: 'What's the coldest spot in the solar system? For now, that distinction belongs to permanently shadowed craters near the moon's south pole, according to the first results from the Lunar Reconnaissance Orbiter (LRO) spacecraft announced today at a NASA press conference. Another instrument has returned hints of water ice in some of these cold spots, ... but it also showed signs of water ice in impossibly hot places, too.'"
Well, there could be some other reasons for wanting to know.
If you build a moon base, you could use these spots for some interesting stuff. Like infra-red observatories, which I think need to have a cold sensor to increase sensitivity.
Additionally 33 Kelvin is low enough that you can use at least one iron based superconductor for energy storage. That way you can have huge arrays of solar panels or similar, and just dump surplus energy into a superconducting magnetic energy storage.
The superconductors would also give you essentially free cooling for particle accelerators, but I've no idea how large those craters are, nor if that'd even be useful.