On Tue, Oct 8, 2013 at 8:58 AM, Henry Spencer <henry@xxxxxxxxxxxxxxx> wrote: > The crystals wouldn't last long even when not in sunlight, because the > nice warm Earth filling almost half the sky is, if anything, even more > important to the thermal balance of something in LEO. As a small aside, this makes passive thermal control of small satellites in LEO *really easy*. - other Henry