It is technically considered an " exosphere" .

事实，它被认为是“外”。

It's made of a paper-thin layer of gases, which form a lunar exosphere.

它由一薄如纸的气体组成，形成了月球外。

As it stands today, the Moon's exosphere cannot support biological life.

就目前情况而言，月球的外无法支持生物生命。

This exosphere contains just 100 molecules per cubic centimeter.

这个外每立方厘米仅包含 100 个分子。

So how do we thicken the exosphere and create a life-bearing ecosystem?

那么我们如何加厚外并创造一个承载生命的生态系统呢？

The Moon's exosphere remains razor-thin, because it lacks the gaseous density of Earth's atmosphere.

月球的外然非常稀薄，因为它缺乏地球大气的气体密度。

If we're going to thicken the Moon's exosphere, we're going to need more gas.

如果我们要加厚月球的外，我们将需要更多的气体。

To spread gas around the exosphere, we'll need a series of icy comets that we will crash into the surface of the Moon.

为了在外周围扩散气体，我们需要一系列冰彗星，它们将撞击月球表面。

Cole designed his proposal for the red planet Mars, but the same strategy could potentially thicken the Moon's exosphere.

科尔为红色星球火星设计了他的提案，但同样的策略可能会加厚月球的外。

Humans could import a large quantity of ammonia, which would fill the Moon's empty exosphere with nitrogen.

人类可以进口大量的氨，这将使月球空旷的外充满氮气。

When these comets come thundering into the Moon's exosphere, the impact will populate the exosphere with a surplus of water vapor.

当这些彗星轰鸣般地进入月球的外时，撞击将使外充满过剩的水蒸气。