How is temperature measured in Antarctica?

Temperature in Antarctica is measured using thermometers. There are different types of thermometers that can be used, including:

- Mercury thermometers: These thermometers use mercury as the thermometric fluid. They are accurate and easy to read, but they can be dangerous if broken because mercury is toxic.

- Alcohol thermometers: These thermometers use alcohol as the thermometric fluid. They are less accurate than mercury thermometers, but they are safer because they do not contain mercury.

- Digital thermometers: These thermometers use electronic sensors to measure temperature. They are the most accurate and easiest to read type of thermometer, but they can be more expensive than other types of thermometers.

Thermometers are placed in sheltered locations to protect them from the wind. They are also placed at different heights above the ground to measure the temperature at different levels.

The temperature in Antarctica can vary greatly depending on the location and the time of year. The average temperature at the South Pole is -56°C (-69°F). The highest temperature ever recorded at the South Pole was -13.6°C (27°F) on December 28, 2018. The lowest temperature ever recorded in Antarctica was -89.2°C (-128.6°F) at the Russian Vostok Station on July 21, 1983.