南极是地球上最适合进行这些观察工作的地方。首先，这里位于高原地区，大约有2英里的海拔高度；其次，空气中的水分很少，不至于对辐射造成扭曲。

The South Pole is the best place on the planet for these observations, as it's on a plateau that's almost 2 miles high, and the high, cold air contains very little radiation-distorting water vapor.

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