How can an object in space be simultaneously boiling hot and freezing cold? It turns out, measuring the temperature of nothingness depends entirely on which way your thermometer is pointing! One side bakes under the direct radiative flux of the Sun—hundreds of degrees—while the other side faces the deep chill of space, bombarded only by the cosmic microwave background. A fascinating breakdown on why temperature is relative when there's no air to measure. Prepare to rethink everything you thought
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How can an object in space be simultaneously boiling hot and freezing cold? It turns out, measuring the temperature of nothingness depends entirely on which way your thermometer is pointing! One side bakes under the direct radiative flux of the Sun—hundreds of degrees—while the other side faces the deep chill of space, bombarded only by the cosmic microwave background. A fascinating breakdown on why temperature is relative when there's no air to measure. Prepare to rethink everything you thought
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