地球的力量 第2集 大氣(6)美麗的星球

Just 15 minutes after he jumped, Kittinger was backon the ground.

奇廷格跳下來僅僅15分鐘就到達(dá)了地面

Falling from the upper reaches of the stratosphere,

從平流層的頂端降落下來

Kittinger had plummeted through 99% of theatmosphere's mass.

奇廷格經(jīng)過了組成大氣層的99%的氣體

Fifteen minutes before, I had been at the edge of space

15分鐘前我還在宇宙的邊緣

and now, to me, I was in the Garden of Eden.

現(xiàn)在，我覺得那是在伊甸園

We really don't appreciate what a beautiful planet we have.

我們真的沒有認(rèn)識(shí)到我們擁有多么美麗的星球

Although Kittinger had jumped from high in the stratosphere,

盡管奇廷格從高達(dá)平流層的地方跳下來

he still didn't reach the furthest edge of our atmosphere.

他仍然沒有到達(dá)我們大氣層的最遠(yuǎn)的邊界

Above the stratosphere are more protective layers

平流層上面還有保護(hù)大氣層

so wispy and tenuous that they barely exist

它們?nèi)绱讼”?，幾乎不存?/p>

but are vital for our planet.

但是對(duì)我們的星球來說很重要

About 30 miles beyond the stratosphere

對(duì)流層的外邊大概30英里(50千米)處

lies the third layer, the mesosphere.

是第三個(gè)大氣層，中氣層

It's this layer that helps protect us from meteors.

這是一個(gè)使我們免受隕石傷害的大氣層

When we see a shooting star,

當(dāng)我們看到流星的時(shí)候

it's actually a meteor burning up high in the atmosphere.

那實(shí)際上是一顆隕石在大氣層的高處燃燒

The mesosphere is also home to a strange phenomenon

中氣層也是一種奇怪現(xiàn)象的根源

called noctilucent clouds.

叫做夜光云