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

也没有人类环绕地球章程可循啊 长官。

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

突然出现环绕地球行环会破坏某些动物内部导航系统。

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环绕地球目标轨道。

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环绕地球“带”。

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环绕地球太空垃圾。

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，增加了环绕地球数百万块碎片。

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

坦率地说，这真很酷，我们有环绕地球天文卫，可以供我们进行研究！

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

答案就在于月亮环绕地球运动方式。

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

随着越来越多政府和公司发射卫，太空，尤其是直接环绕地球空间，变得越来越拥挤。

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号任务一位宇航员拍下，他们所在飞船实现了环绕地球飞行。

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，它也是“人类移民环绕地球已知最早年份。”

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

环绕地球运行 GPS 卫群传递出时间编码信息。

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

环绕地球飞行宇航员每天可以看到多达16次日出和日落。

A ring of reddish orange light surrounding the Earth.

环绕地球红橙色光环。

The Global Positioning System uses 24 satellites that circle the Earth.

全球定位系统使用 24 颗环绕地球卫。

Was there some other vessel waiting for them in orbit around Earth?

是否有其他船只在环绕地球轨道上等着他们？

Basically highways that zoom around Earth.

基本上是环绕地球高速公路。

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工作日环绕地球时感受。

And models show that the tropical rain band that surrounds the earth would likely shift further south.

模型显示，环绕地球热带雨带可能会向南移动。

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颗环绕地球运行导航卫，组成了人们所说全球卫定位系统。