It’s Cold in Space; But Not as Cold as It Could Be

The temperature of space is approximately -456 degrees Celsius. This translates to roughly 2.7 Kelvin. For perspective, the coldest temperature ever recorded on Earth was -138.5 degrees Celsius, or 178.45 Kelvin, in Antarctica. Absolute zero is reached at 0 Kelvin, and is thought to be impossible to reach in the physical world on its own. […]

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