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[QUOTE]Originally posted by Peregrinus: [QB] Close, Daniel. Absolute Zero -- or 0 Kelvins -- is about -460° [i]Farenheit[/i], but -273.15°C. You can still have matter present with no temperature. Absolute Zero is an indicator of no atomic motion at all (above zero-point energy), since motion is heat. I think the coldest we've been able to achieve in careful experiments here on Earth is about 700 nK, and the coldest temperature we've found in deep space so far is about 1 K, and I think the lowest it gets in the vicinity of our solar system is about 3 K. And the vacuums to which test subjects are exposed are far warmer due to being far less perfect. I remember cringing when watching episodes of TNG and later Trek when someone gives a temperature as "minus three hundred (something) degrees Celsius" or otherwise gives a temperature below Absolute Zero. *heh* --Jonah [/QB][/QUOTE]
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