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chorsestudios | on: New 3D thermal invisibility cloak makes objects disappear from infrared cameras
no, the vacuum of space does not emit heat
antonvs | parent
Interstellar space behaves as an almost perfect blackbody radiator, at a temperature of 2.725 Kelvin, due to the cosmic microwave background. As such, it does "emit heat", albeit an extremely small, but measurable amount.