中国又成功地发射了一颗人造地球卫星。
China succeeded in sending up another man-made earth satellite.
这将阻碍低轨道地球卫星（LEO）的运转。
This would hinder operations of low-Earth orbiting, or LEO, satellites.
载人地球卫星被看作是一个必要的研究阶段。
A manned earth satellite was considered a necessary research step.
它们与首颗地球卫星PS-1有着类似的结构。
Structurally they were similar to the first Earth satellite PS-1.
据报道，中国又发射了一颗人造地球卫星进入轨道。
It is reported that China has sent another man-made earth satellite into orbit.
国际空间站是由超过15个国家在太空组建的一颗大型载人地球卫星。
The International Space Station is a large, inhabited Earth satellite that more than 15 nations are building in space.
与经典的月球理论相比较，地球卫星的运动有显著的实际差别。
In comparison with the classical lunar theory the motion of an earth satellite offers important practical differences.
人们借助人造地球卫星，在许多科学领域里进行了大量的研究工作。
With the help of man-made satellites, people have done much re-search in many fields of science.
他的顾问们提醒说联邦的研发投入自人造地球卫星时代(Sputnik era)已急剧下滑。
His advisers fret that federal research and development has fallen sharply since the Sputnik era.
可以追溯到月球形成时的一块岩石表明这颗地球卫星比以前计算所确定的年轻了约2亿年，它的历史可能需要重写。
A rock thought to date from the moon's formation points to the satellite being about 200 million years younger than previously calculated, suggesting its history may need to be rewritten.
这颗卫星跟以往中国发射的卫星有所不同，以前发射的都是地球卫星，而这次发射的“嫦娥一号”是一颗月球卫星。
This satellite launch is different from satellite launches in the past. Previous launches were always for earth satellites, however this satellite is for the moon.
上月，天文学家宣称已发现最类似地球卫星——其大小为地球的三倍，表面为岩石覆盖，距离其环绕的恒星20光年。
Last month, astronomers announced the discovery of the most Earth-like planet ever found - a rocky world three times the size of our own world, orbiting a star 20 light years away.
尽管这些结论仍只是在初级阶段，但Shprits预测，在未来几年间此类事件将使得低轨道地球卫星舰队中一大部分的卫星丢失。
Though the results are still preliminary, Shprits predicts that a majority of the LEO satellite fleet could be lost within a few years of such an event.
这家公司的起源可以追溯到，1957年发射第一颗人造地球卫星(Sputnik)以及1961年首次将人类送入太空的设计局。
The company's roots can be traced back to the design bureau that launched the first Sputnik in 1957 and put the first man in space in 1961.
另一方面，地球卫星北极附近的巨大环形山埃特肯盆地(aitken basin)，在月亮历史上，可能非常大导致了剧烈的旋转，迈罗氏提到。
On the other hand, a huge crater near the South Pole of Earth's moon-the Aitken basin-may be large enough to have triggered a dramatic roll early in the moon's history, Melosh noted.
该模型模拟的太阳风暴比2003年的Holloween超级太阳风暴还要强烈，并研究出结果中的电子助焊剂对低轨道地球卫星产生的影响。
The model simulated a solar storm stronger than the so-called Halloween solar superstorms of 2003 and investigated what effect the resulting flux of electrons would have on LEO satellites.
月球是地球的卫星。
人们对人造卫星送回地球的图片叹为观止。
People were awestruck by the pictures the satellite sent back to earth.
一颗新的人造卫星被送上了环绕地球的轨道。
卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。
Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".
随着更多的政府和公司把卫星发射到太空，尤其是地球周围的太空，那里变得越来越拥挤。
Space, especially the space directly around our planet, is getting more crowded as more governments and companies launch satellites.
多亏了鹊桥号中继卫星，地球与嫦娥四号之间的通信问题已经解决了。
Thanks to Queqiao, the communication problem between Earth and Chang'e-4 has been well solved.
我们需要的是一个在赤道处地面上的非常高的塔，以及沿地球静止轨道绕地运转的卫星。
What we need is a really tall tower here on the ground right at the equator and a satellite in geostationary orbit.
另一方面，像地球的卫星这种相对温暖、表面引力较小的天体，它们连最重的气体也无法容纳，因此也没有大气层。
On the other hand, a comparatively warm body with a small surface gravity, like Earth's moon, is unable to hold even the heaviest gas and thus lacks an atmosphere.
该人造卫星每100分钟绕地球旋转一圈。
The satellite revolves around the earth once every hundred minutes.
这颗卫星使得我们可以计算他们在地球上的任何准确位置。
The satellite enables us to calculate their precise location anywhere in the world.
一旦你来到这个塔旁的地球静止轨道，只需把碳纳米管电缆从卫星上放低然后将其系在位于地球的塔端。
Once you are in this geostationary orbit right over the tower, just lower your carbon nanotube cable down from the satellite, tether it to the tower here on Earth.
一旦你来到这个塔旁的地球静止轨道，只需把碳纳米管电缆从卫星上放低然后将其系在位于地球的塔端。
Once you are in this geostationary orbit right over the tower, just lower your carbon nanotube cable down from the satellite, tether it to the tower here on Earth.
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