Department of Physics at the University of Illinois at Urbana-Champaign

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11.7.2009

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Ask the Van

I have heard that it is extremely cold in space. Yet, how can it be cold if there is no material for which to hold heat? A thermometer would probably register that there is no temperature because there is no heat to transfer to the thermometer for it to measure. Mainly, would a human lose heat in space if there is nothing for his/her body heat to transfer to?

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