I’m not talking about absolute zero and neither am I talking about room temperature. Since temperature is just a measure of how fast particles are vibrating, wouldn’t that mean a perfect vacuum has no temperature?
That isn’t a very satisfactory answer though
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A perfect vacuum, with nothing in it, does indeed have no temperature.
We can determine temperature from other kinds of energy, like light, but if you did remove *everything* then there would be no temperature.
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