Current theories of physics break down once the temperature of an object reaches the ‘Planck temperature’, which is about 1,000,000,000,000,000,000,000,000,000,000,000°C.

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At that temperature, an object would emit radiation with so much energy that every photon would create its own tiny black hole. The whole Universe was very briefly at this temperature, about 10-43s after the Big Bang. Overall, it’s a hundred trillion, trillion times hotter than the Sun.

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Authors

luis villazon
Luis VillazonQ&A expert

Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.

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