碰撞假说的一个问题是，以这种方式形成的卫星是如何在月球现在的近乎圆形的轨道上运行的。
One problem with the collision hypothesis is the question of how a satellite formed in this way could have settled into the nearly circular orbit that the Moon has today.
他们仅限于在近地轨道运行，在那做着发射卫星或运送宇航员到国际空间站这样毫无任何浪漫色彩的工作。
They were confined to low-earth orbit, where they did the unglamorous job of launching satellites or ferrying astronauts to the International Space Station.
卫星将与三个中等地球轨道并排在与赤道56度的倾斜角度上运行，并且可以覆盖全球。
The satellites will be strung along three medium-Earth orbits at 56 degrees inclination to the equator and will provide global coverage.
卫星的第一道关是需要一条低空运行轨道。
卫星在成功实施分离后正运行在预定轨道，并且已经向位于肯尼亚马林迪的一个地面小组发射了通讯信号。
The satellite is currently in orbit after a successful separation and has sent communication signals which have been received by a ground team in Malindi, Kenya.
因为有卫星的头衔，而且沿椭圆形轨道环绕地球运行，月亮似乎每天平均51分钟返回到天空的同一地点。
Due to the moon's titled and elliptical orbit around Earth, the moon seems to return to the same place in the sky 51 minutes later each day, on average.
从美国航天局获悉，约20颗美国卫星的运行轨道以后可能靠近碎片云的运行轨道。
About 20 NASA satellites are in orbits that would take them close to the debris cloud, according to the space agency.
天文学家曾经假设它们总是像其它银河系引力束缚下更小的卫星星系的星云一样，在它们目前近似地距离上围绕银河系的轨道运行。
Astronomers once assumed they had always orbited the Milky way at approximately their current distances, like the other, lesser satellite galaxies in the Milky way's gravitational thrall.
你汽车上与绕轨道运行的卫星发出的无线电信号调谐的传感器能随时精确地确定你汽车的方位，并告知交通阻塞情况。
Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams.
那些近距离围绕主要星系轨道运行的卫星最终将它们的星际气云失给了更大的星系。
Satellites that orbit close to major galaxies eventually forfeit their interstellar gas to the greater galaxy.
在轨道上运行的卫星总是要飞离地球，而结果总是被地心引力拉回来。
The satellite traveling in the orbit is always escaping from the earth only to be pulled back by gravity.
卫星的所有命令由诺格公司和雷声公司的运行和支撑人员做出，他们将运行轨道上的NPP。
All commanding of the satellite was done by Northrop-Raytheon operations and support personnel, who will operate NPP on orbit.
星期一早上，印度宇航局的一枚火箭从安得拉邦的斯里赫里戈达航天发射场发射升空，在几分钟之内把搭载的十颗卫星送入地球运行轨道。
A rocket belonging to India's space agency lifted off from the Sriharikota space station in Andhra Pradesh early Monday, putting a cluster of ten satellites into earth orbit within minutes.
他们希望GIOVE - B卫星可以在GIOVE - A卫星的基础上，完善并且提供更多的数据。GIOVE - A卫星是欧洲第一颗在中地球轨道高度运行的卫星。
It is hoped that GIOVE-B will provide data to complement and expand upon results from GIOVE-A, which was the first European satellite to operate in MEO.
去年甚至还发生了两颗卫星相撞的事件，碰撞所产生的碎片散布在整个轨道上，更增加了其他航天器的运行风险。
Last year, two satellites even collided, showering their orbit with tiny fragments that now pose additional risk to operational spacecraft.
该装置由运行在距地表700km的轨道上的Terra卫星搭载，MODIS有一套综合性的工具，能够观察和记录地球上陆地、海洋及大气的特征。
Flying over 700 km above the Earth onboard the Terra satellite, MODIS provides an integrated tool for observing a variety of terrestrial, oceanic, and atmospheric features of the Earth.
该上升卫星将跟另外7颗在轨道运行的卫星一起形成全球定位导航服务系统。
The rising star will join seven other satellites already in orbit to form a network which will eventually provide navigation and positioning services around the globe.
两枚将探测太空天气情况的欧洲卫星终于进入绕地球运行轨道，4年前第一次发射时因运载火箭爆炸而失败。
Two European satellites that will study the weather in space are finally orbiting the Earth four years after a first launch attempt ended in disaster when a carrier rocket blew up.
目前，日本有三颗信息采集卫星在轨道运行，这颗最新的卫星将替代其中已经过期的一颗。
Japan currently has three information-gathering satellites in orbit and the latest satellite will replace one of them which has passed its use-by date.
每一颗人造卫星根据其不同目的选用不同的运行轨道。
Each satellite has its own orbit which is selected according to its purpose.
它是在绕地球轨道上运行的人造卫星。
我们把卫星送入不同高度的轨道饶地球运行，就能测出地球上空不同高度处空气的含量。
By sending satellites round the earth at different heights, we can find out how much air there is at each height.
我们把卫星送入不同高度的轨道饶地球运行，就能测出地球上空不同高度处空气的含量。
By sending satellites round the earth at different heights, we can find out how much air there is at each height.
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