Minus 273 degrees Celsius is the coldest possible temperature, a.k.a. "absolute zero".
Chat with our AI personalities
The coldest possible temperature on the Celsius scale is -273.15 degrees.
The lowest possible temperature on the Celsius scale is -273.15 degrees Celsius. The lowest possible temperature on the Kelvin scale is 0 degrees Kelvin. Therefore the only temperature scale on which -460 degrees is possible is the Fahrenheit scale.
"Absolute Zero" refers to zero on the kelvin scale for temperature. Absolute Zero, or 0 kelvin ( = -459.67 degrees Fahrenheit = -273.15 degrees Celsius), is the coldest possible temperature. It is probably impossible to achieve this temperature, but you can get very close.
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.
Anders Celsius, a Swedish astronomer, created his temperature scale in 1742.