The Venusian atmosphere is too thick.

金星的大气层太厚了。

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Astronomers have found the hydroxyl radical in the Venusian atmosphere.

天文学家已经发现在金星大气中存在羟基。

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Because calculations and lab experiments replicating the Venusian surface and atmosphere show that emissivity decreases over time, emissivity can be an important indicator of a substance's age.

同时因为计算与实验室的实验复制的金星地表与大气层的活动，表明辐射率一直在下降，所以辐射率能够成为某个地质年代的一个重要指标。

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Venus Express will make unique studies of this atmosphere and conduct the first radar soundings of the Venusian subsurface.

BBC: Venus mission is on