That's because the earth's atmosphere shields us from harmful radiation.

这是因为地球的大气层保护我们免受辐射伤害。

It describes how different colours of sunlight interact with the earth's atmosphere.

它描述了不同颜色的太阳光是怎样与地球大气层互相影响的。

If one of these rocks hit's the earth's atmosphere, it becomes a meteor.

如果其中一个流星体撞上了地球的大气层，它就会变成流星。

The surface of the spaceship was glowing red when it came back into the earth's atmosphere.

“在返回穿过地球大气层时，太空飞船表面是炽热的红色。

She also spoke about the increasing amounts of carbon dioxide gas, CO2, in the earth's atmosphere.

她还谈到了地球大气中二氧化碳气体（CO2）含量的增加。

The form when gases, particles and the earths atmosphere collide with charged particles released from the sun.

当气体、粒子和地球大气层与太阳释放的带电粒子碰撞时形成的。

Does Pyongyang have a warhead that can reenter the earth's atmosphere without burning up? Experts simply don't know.

朝鲜政府拥有不会燃尽且可以重返大气层的弹头吗？专家们完全不知道。

As Yang Liwei returned into the earth's atmosphere, helicopters were flying to where he would land, ready to collect him.

杨利伟返回地球大气层的同时，直升飞机飞往他即将降落的地点，做好接他的准备。

They were in time to produce carbon, nitrogen, water vapour and other gases, which were to make the earth's atmosphere.

最终产生了碳、氮气、水蒸气和其他多种气体，从而形成了地球的大气层。

The most profound piece of it for me was looking out at the earth and looking at the earth's atmosphere.

对我来说，其中最深刻的部分就是遥望地球和地球大气层。

If one of these rocks hit's the earth's atmosphere, it becomes a meteor. That's also known as a shooting star.

如果其中一块岩石撞上了地球大气层，它就会变成流星。Shooting star是流星的另一种说法。

The stratosphere is part of earth's upper atmosphere.

平流层是地球高层大气的一部分。

Studies have linked such gases to rising temperatures in earth's atmosphere.

研究已将此类气体与地球大气层温度升高联系起来。

Only a handful of Britons have broken free of the earth's atmosphere.

只有少数英国人脱离了地球大气层。

Does Pyongyang have a warhead that can reenter the earth's atmosphere without burning up?

平壤是否拥有可以在不燃烧的情况下重新进入地球大气层的弹头？

This spectrum subtraction is what happens as sunlight interacts with the elements in the sun's atmosphere and in earth's atmosphere too.

当太阳光与太阳大气中的元素以及地球大气中的元素相互作用时，就会发生频谱相减。

198. The earth atmosphere is mostly composed of oxygen and nitrogen gases.

地球大气层主要由氧气和氮气组成。

After its launch, the Webb telescope will enter an orbit 1.5 million kilometers above earth's atmosphere.

发射后，韦伯望远镜将进入距地球大气层 150 万公里的轨道。

They want to know if the process could be used to clean carbon from the earth's atmosphere.

他们想知道这个过程是否可以用来清除地球大气中的碳。

The swirl of light is caused by electrically charged particles from the sun striking atoms and molecules in the earth's atmosphere.

光的漩涡是由来自太阳的带电粒子撞击地球大气中的原子和分子引起的。