+**273** is a [natural number](/wiki/Natural_Number) that follows 272 and precedes 274. In [thermodynamics](/wiki/Thermodynamics), its value is significantly close to the number of degrees Celsius that defines absolute zero.
+## See also
+- [Absolute Zero](/wiki/Absolute_Zero)
+- [Kelvin](/wiki/Kelvin)
+- [Temperature](/wiki/Temperature)
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