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

这片环绕着地球的广大森林，容纳了地球上1/3的树木，产生了大量氧气。

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

突然出现的环绕地球的行星环会破坏某些物的内部导航系统。

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

环绕地球运行的 GPS 卫星群传递出时间编码信息。

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

环绕地球飞行的宇航员每天可以看到多达16次的日出和日落。

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

官员们表示，它应会在二月中旬到达环绕地球的目标轨道。

The equator is a line that goes around the middle of planet Earth.

赤道是环绕地球中部的一条线。

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

也没有人类环绕地球的章程可循啊 长官。

Phileas Fogg had not concealed from Sir Francis his design of going round the world, nor the circumstances under which he set out; and the general only saw in the wager a useless eccentricity and a lack of sound common sense.

福克先生对柯罗马蒂并没有隐瞒他环绕地球的计划；他甚至把在什么样条件下完成这个计划，也告诉了这位旅伴。

This impact would have sprayed huge quantities of material into space, forming a ring around Earth similar to, but much thicker than, those that now adorn Saturn.

这次碰撞已将大量的物质散发到了太空，从而形成了环绕地球的光环，类似于那些现在装饰土星的光环，但是要厚得多。

The mission will also aim to reach the highest orbit around Earth for a crewed mission, hoping to surpass the 1966 record set by NASA's Gemini 11.

任务将在到达环绕地球的最高轨道进行载人任务，希望能打破NASA1966年双子座11号创造的记录。

One theory is that a huge asteroid struck earth with such force that rock and debris were shot into orbit around the planet like the rings of Saturn.

有一种理论认为，一颗巨大的小行星撞击地球的力量很大，导致岩石和碎片像进入土星环一样的环绕地球的轨道。

It's as alien to the earth as the planets accompanying our globe around the sun, and we'll never become familiar with the work of scientists on Saturn or Jupiter.

就像陪着地球环绕太阳的各个行星对于地球上一样，从来也没有人知道土星和木垦中的学者们所做的工作。

So the time it takes the moon to spin once is almost the same as the time it takes to orbit the Earth.

它自转一周的时间几乎等于环绕地球公转一周的时间。

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

1962年，当她的丈夫成为一个环绕地球运行的美国人时，她以一种严重的口吃面对全国的聚光灯。

If you were positioned in space above the Earth's north pole, you would notice that the moon travels around the Earth counterclockwise.

如果你处于北极上空，你会注意到月亮是沿逆时针环绕地球运的。

The world has grown smaller, since a man can now go round it ten times more quickly than a hundred years ago.

这世界变小了，因为人们环绕地球 一周的速度要比100年前快10倍。

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环绕月球的地球公民吗？

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“人类移民环绕地球的已知最早年份。”

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，增加了环绕地球的数百万块碎片。

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，尤其是直接环绕地球的空间，变得越来越拥挤。