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Just 15 minutes after he jumped, Kittinger was back on the ground.
奇廷格跳下来仅仅15分钟就到达了地面
Falling from the upper reaches of the stratosphere,
从平流层的顶端降落下来
Kittinger had plummeted through 99% of the atmosphere's mass.
奇廷格经过了组成大气层的99%的气体
Fifteen minutes before, I had been at the edge of space
15分钟前我还在宇宙的边缘
and now, to me, I was in the Garden of Eden.
现在，我觉得那是在伊甸园
We really don't appreciate what a beautiful planet we have.
我们真的没有认识到我们拥有多么美丽的星球
Although Kittinger had jumped from high in the stratosphere,
尽管奇廷格从高达平流层的地方跳下来
he still didn't reach the furthest edge of our atmosphere.
他仍然没有到达我们大气层的最远的边界
Above the stratosphere are more protective layers
平流层上面还有保护大气层
so wispy and tenuous that they barely exist
它们如此稀薄，几乎不存在
but are vital for our planet.
但是对我们的星球来说很重要
About 30 miles beyond the stratosphere
对流层的外边大概30英里(50千米)处
lies the third layer, the mesosphere.
是第三个大气层，中气层
It's this layer that helps protect us from meteors.
这是一个使我们免受陨石伤害的大气层
When we see a shooting star,
当我们看到流星的时候
it's actually a meteor burning up high in the atmosphere.
那实际上是一颗陨石在大气层的高处燃烧
The mesosphere is also home to a strange phenomenon
中气层也是一种奇怪现象的根源
called noctilucent clouds.
叫做夜光云
