Is there a theoretical limit to how hot the universe can get?
In short: While absolute zero is a well-known concept, the upper limit of temperature is less intuitive. This video explores the physics of heat, contrasting the absolute minimum with the theoretical maximum, and clarifies common misconceptions about molecular motion at the lowest possible temperatures.
Absolute zero is defined as 0 K, -273.15° C, or -459.67° F. A common misunderstanding is that this temperature represents the point where all motion of matter ceases. In reality, absolute zero is the state where molecular motion no longer generates heat, though the particles retain zero-point energy.
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- Summary by Intellect · source: What Is The Hottest Temperature Possible
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