Difference between revisions of "Temperature"
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== Explanation == | == Explanation == | ||
| − | Temperature is the way humans measure the average [[thermal energy]] or [[heat]] of a [[thermodynamic system]]. The SI unit of the temperature scale is Kelvin '''K'''. Other temperature scales include the most widely used Celsius '''°C''', and the less used Fahrenheit '''°F''' and Rankine ''' | + | Temperature is the way humans measure the average [[thermal energy]] or [[heat]] of a [[thermodynamic system]]. The SI unit of the temperature scale is Kelvin '''K'''. Other temperature scales include the most widely used Celsius '''°C''', and the less used Fahrenheit '''°F''' and Rankine '''°R'''. The lowest possible temperature in the universe is known as [[absolute zero]] and is measured in the Kelvin scale as 0 K. At this point, the system would only have the quantum [[zero-point energy]]. |
== Frequently Asked Questions == | == Frequently Asked Questions == | ||
Revision as of 05:24, 26 December 2016
Contents
Explanation
Temperature is the way humans measure the average thermal energy or heat of a thermodynamic system. The SI unit of the temperature scale is Kelvin K. Other temperature scales include the most widely used Celsius °C, and the less used Fahrenheit °F and Rankine °R. The lowest possible temperature in the universe is known as absolute zero and is measured in the Kelvin scale as 0 K. At this point, the system would only have the quantum zero-point energy.
Frequently Asked Questions
What is the highest possible temperature that can be reached?
Planck's temperature is the highest possible temperature according to the present theories. The temperature can be as high as 1.417×1032 K. Due to high energy at this temperature, all forces begin to feel the same way, even gravity becomes stronger, thus unifying all four forces.
What is the highest temperature ever reached on Earth by humans?
It is claimed that the ALICE (A Large Ion Collider Experiment) at the Large Hadron Collider (LHC) had reached about 5.5×1012 K by colliding protons with lead or nuclei to form quark-gluon plasma.[1]