The answer has to do with the atmospheric composition.

原因在于大气成分。

So basically, it's dust, gravity, atmospheric composition.

所以基本上， 它是灰尘、重力、大气成分。

Researchers will carry out investigations in the fields of atmospheric composition, water environment, sedimentary environment and the ecosystem at the South Pole.

研究人员将在南极进行大气组成、水环境、沉积环境和生态系统等方面的调查。

With the right atmospheric composition, a strong greenhouse effect could raise temperatures to the desired level.

有了正确的大气成分，强烈的温室效应可以将温度升高到所需的水平。

The floating airship can collect data at high altitude, which is used to track the regional water cycle and monitor changes in atmospheric composition.

浮空艇可以在高空收集数据，用于跟踪区域水循环和监测大气成分的变化。