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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什么是姓名的原地块地球是成立的？

What was the name of the original landmass the Earth was made up of?

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月球表面的景象是既干燥又多尘，而且和地球一样，以山脉和平原地形为主。

The landscape of the moon is dry and dusty, and like earth, it features mountai and plai.

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