the hottest and coldest temperatures ever observed in the entire universe both occured on Earth (in laboratories)?

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I can get that we may have created something (quark-gluon plasma) at 4 trillion degrees Celsius that is hotter than a supernova, but…

How could we have created the coldest thing ever, at 100pK (less than 1 K), and that there is nothing colder? Might a single atom in deep space not have less energy? Apparently some nebula is the coldest thing out there.

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Anonymous 0 Comments

The percentage of things in the universe which we have observed rounds very easily to zero.

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