Where does the Celsius temperature scale come from?

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It’s quite useful that we have a way of measuring the temperature. For example when forecasting the weather, or for knowing the temperature of the oven when you are baking an apple pie, or for finding out if you have a fever. In Europe, we use degrees Celsius as the unit of temperature.

Temperature scale
The temperature scale that goes with it is easy to understand. Water that is only just freezing is at 0 degrees Celsius, water boils at 100 degrees Celsius, a hot summer day is about 30 degrees Celsius and the average living room temperature is about 20 degrees Celsius.

Celsius
The degree Celsius is named after Anders Celsius, who invented the Celsius temperature scale. In the middle of the 18th century, Anders Celsius was professor of astronomy at the University of Uppsala, in Sweden. He also founded the famous Uppsala observatory.