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at what temperature is absolute zero

Sagot :

AL2006

Absolute zero is the temperature where all vibrations of molecules
would stop, and a substance would have no thermal energy at all. 
That temperature can't be created, even in laboratories.  Even
outer space is not quite that cold.

Absolute zero is . . .

-- negative  273.15° Celsius

-- negative  459.67°  Fahrenheit

-- zero Kelvin

(Interstellar outer space is about  3 Kelvin.)