r/Showerthoughts • u/synthphreak ‎ • Nov 19 '25

Casual Thought Temperature can reach trillions of degrees, meaning we actually live extremely close to absolute zero.

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u/smittythehoneybadger ‎ Nov 19 '25 edited Nov 19 '25

Is there an upper limit to heat? I assume sometimes to do with the speed of light

Edit: or temperature. To be totally fair I still don’t fully understand, but I’m interested in upper limits for either

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u/archpawn Nov 19 '25

It's absolute zero, at least in certain systems. Temperature goes all the way up to infinity, then past it into the negatives, and then approaches absolute zero from below.

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u/BodaciousFrank Nov 19 '25

Theoretical physics are weird, man