zlacker

Isn't moon sand a very high thermal insulator?

edit:

https://pmc.ncbi.nlm.nih.gov/articles/PMC9646997/ ("Thermophysical properties of the regolith on the lunar far side revealed by the in situ temperature probing of the Chang’E-4 mission")

Comparing against reference tables, it's more insulating than rock wool insulation,

https://www.engineeringtoolbox.com/thermal-conductivity-d_42...

>>perihe+(OP)
There's a reason I state my dumb ideas out loud :)

>>perihe+(OP)
Rockwool is much better thermal insulator in vacuum as well…