According to its proponents, a proposed new style of aircraft could, by skimming along the top of the atmosphere, fly between most points on Earth in under two hours.

根据其支持者的说法，一种新型飞机掠过大气层，可以在两小时内飞到地球上的大多数点。

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The irradiance of solar energy impinging on the top of the atmosphere has a meridional distribution.

投射到大气顶部的太阳辐照度只有经向分布。

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No other gases would be present to prevent ultraviolet solar radiation dissociating water vapour at the top of the atmosphere.

没有其他的气体去阻止紫外太阳辐射离解大气层顶的水汽。

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But this orbit will rapidly decay over the coming week as the spacecraft drags through the top of the atmosphere.

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The worst part, he says, was waiting for the rover in its descent capsule to touch the top of the atmosphere.

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The ISS has a tendency to fall back to Earth over time as it drags through the top of the atmosphere.

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