The rings suddenly hugging Earth would disrupt internal navigation systems of some animals.

现的球的行星会破坏某些动物的内部导航系统。

The GPS satellites orbiting our planet send out time coded messages.

球运行的 GPS 卫星群传递时间编码信息。

Astronauts orbiting earth see up to 16 sunrises and sunsets every day.

球飞行的宇航员每天可以看到多达16次的日和日落。

The answer lies in the way that the moon orbits the earth.

答案就在于月亮球运动的方式。

Officials said it should reach its target orbit around Earth in the middle of February.

官员们表示，它应该会在二月中旬到达球的目标轨道。

There's no protocol for a man circling the Earth either, sir.

也没有人类球的程可循啊 长官。

Ten years ago, two satellites collided adding to the millions of pieces of debris that`s orbiting the earth.

10年前，两颗卫星相撞，增加了球的数百万块碎片。

The ozone layer is a sort of " belt" around the Earth made up of gaseous molecules.

臭氧层是一种由气体分子组成的球的“带”。

And frankly, it's really cool that we had astronomical satellites orbiting the Earth which could study it!

坦率说，这真的很酷，我们有球的天文卫星，可以供我们进行研究！

The robots maneuvering has brought renewed attention to the growing concern about space junk orbiting our planet.

机器人操控重新引起了人们对球的太空垃圾的关注。

Okay, so I wasn't exactly John Glenn up there, but I've changed; I'm a different man now.

就算我在上面不像约翰·格林（美国首位球飞行的宇航员），但我已经变了，脱胎换骨了。

It's actually taken by one of the astronauts on the Apollo 8 mission that actually circled the Earth.

实际上，这张图是阿波罗8号任务的一位宇航员拍下的，他们所在的飞船实现了球的飞行。

Space, especially the space directly around our planet, is getting more crowded as more governments and companies launch satellites.

随着越来越多的政府和公司发射卫星，太空，尤其是直接球的空间，变得越来越拥挤。

We already have twenty-four Navstar satellites orbiting the earth, making up what is called the Global Positioning System.

我们已经有24颗球运行的导航卫星，组成了人们所说的全球卫星定位系统。

Working across time zones made them understand how astronauts feel as they circle the planet during a typical workday.

跨时区工作，让他们了解到宇航员在典型的工作日球时的感受。

And the furthest distance traveled by one 11,530 kilometers or about 29% of the way around the entire planet!

同时也有跨越距离最远的飓风，有一场飓风横跨的最远距离是 11530 公里，大约是整个球的 29%！

This vast forest circling the globe contains a third of all the trees on Earth and produces so much oxygen.

这片着球的广大森林，容纳了球上1/3的树木，产生了大量氧气。

But did you know that human astronauts were not the first Earthlings to travel in space and circle the moon?

但你知道人类宇航员并不是首个在太空旅行并月球的球公民吗？

But as the authors write, it also marks “the earliest known year by which human migration had encircled the planet.”

但如作者写到的，它也是“人类移民球的已知最早年份。”

In 1962, she faced the national spotlight with a severe stutter, when her husband became the first American to orbit the Earth.

1962年，当她的丈夫成为第一个球运行的美国人时，她以一种严重的口吃面对全国的聚光灯。