They're also specifically designed to operate in absurdly low temperatures — one in fact requires temperatures under 7 Kelvin and so in addition to the sun shie

They're also specifically designed to operate in absurdly low temperatures — one in fact requires temperatures under 7 Kelvin and so in addition to the sun shield there's a mechanical cooler. https://en.wikipedia.org/wiki/MIRI_(Mid-Infrared_Instrument) https://en.wikipedia.org/wiki/MIRI_(Mid-Infrared_Instrument)