这几位科学家密切关注着大气圈的变化。

These scientists pay close attention to the changes in the atmosphere.

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吸收大部分紫外线的平流层?——地球大气圈的一部分，在此周期内可能会变得异常敏感。

The stratosphere , the part of the Earth's atmosphere which does most to absorb UV, might thus be expected to be particularly sensitive to the cycle.

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总体来说，较重的原子在大气圈中沉积，而较轻的原子则存在于大气圈表面，这也是一些白矮星具有较纯净的氢和氦大气圈的原因。

In general, the heavier atoms in the atmosphere sink and the light ones remain at the surface, which is why some white dwarfs, for example, have mostly pure hydrogen or helium atmospheres.

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