You are now leaving Earth orbit.

正在离开地球轨道。

The earth orbits the sun every 365.25 days.

地球每365.25天绕太阳轨道运行一圈。

The eccentricity of Earth's orbit is only 0.0167.

地球轨道的偏心率只有 0.0167。

Armek's ship is in low-Earth orbit.

阿马克的飞船在近地轨道。

Then what is thing going to fly through our geosynchronous earth orbit.

那么什么是物体要飞过我们的地球同步轨道。

China has launched a broadband communication satellite into low-Earth orbit.

中国向近地轨道发射了一颗宽带通信卫星。

China is currently building a new space station in low earth orbit.

中国目前正在近地轨道建设一个新的空间站。

And then those two vehicles meet and they dock in Earth orbit.

然后这两个飞行工具相遇，停靠在地球轨道上。

Within weeks, the Soviets launched another satellite into Earth orbit, Sputnik 2.

1957年11月，苏联在发射的人造卫星史普尼克二号上，携带了一只叫莱卡的狗。她活了数小时。几周内，苏联又发射了一颗人造卫星" 史普尼克二号" ，进入地球轨道。

The moon orbits around the Earth, much like the Earth orbits the sun.

月球绕着地球转，就像地球绕着太阳转。

And it would scan the earth's orbit for, like, my parents' ship.

就能扫描我父母的飞船在地球上的轨道。

Consider this, beyond low Earth orbit, the protection of the Earth`s atmosphere is gone.

试想，在近地轨道，地球大气层的保护已经消失了。

Stratolaunch was designed as a new way to launch satellites into low-Earth orbit.

" 平流层发射飞机" 旨在为发射近地轨道卫星提供一种新方法。

Low earth orbit is probably a lot closer than wherever those radio bursts came from.

近地轨道可能比那些无线电脉冲来自的地方要近得多。

Some have orbits that are almost entirely inside Earth's orbit, called Aten asteroids.

有些小行星的公转轨道几乎完全在地球的公转轨道之内，被称为阿坦小行星。

The giant impact sent a ring of matter hurtling into the Earth's orbit.

激撞使得一圈物质飞溅到地球的轨道上。

So Nasa needs a low-Earth orbit capability for its own scientific experiments.

美国宇航局需要低地球轨道来进行自己的科学实验。

And after liftoff, the core module will be deployed in a low earth orbit.

升空后，核心舱将被部署在近地轨道。

The first private mission outside of Earth's orbit is closer than many of us think.

在地球轨道以外的首个私营任务比许多人想象的要更快到来。

At this time, the ship Atlantis went into low Earth orbit on the mission STS-135.

当时，亚特兰蒂斯号航天飞船进入近地轨道，执行 STS-135 任务。