Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit.
宇航员们今天将做最后一次尝试，把一颗通讯卫星从它无用的轨道上拯救出来。
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.
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。
Because they're so small and light, it costs much less to get a Cube Sat into Earth's orbit than a traditional communications or GPS satellite.
由于立方体卫星如此小而轻，与传统通讯或GPS卫星相比，将它送入地球轨道的成本要低得多。
What we need is a really tall tower here on the ground right at the equator and a satellite in geostationary orbit.
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。
Because they're so small and light, it costs much less to get a CubeSat into Earth's orbit than a traditional communications or GPS satellite.
由于立方体卫星体积小、重量轻，将它们送入地球轨道的成本比传统通信或GPS卫星要低得多。
A new satellite has been put into orbit around the earth.
一颗新的人造卫星被送上了环绕地球的轨道。
Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
地球是内行星中唯一一个有大卫星的，它的轨道既不在地球的赤道平面上，也不在其他行星所在的平面上。
Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
The rocket successfully lifted a reconnaissance satellite to low Earth orbit.
火箭成功的将一枚勘测卫星送入地球低轨道。
One such cost arises when a satellite has to take evasive action and thereby USES up fuel, reducing its life in orbit.
当一个卫星不得不回避时，这一费用上涨了，因此也会用尽燃料，减少在轨道里停留的时间。
A successful launch will make India the third Asian nation to place a satellite in lunar orbit.
如果发射成功，印度将成为第三个将卫星送入月球轨道的亚洲国家。
This orbit (a high Earth or geosynchronous orbit) means that the satellite will always be directly over the same point on Earth, ensuring a continuous view of the ground.
这条轨道(高地同步轨道)意味着这些卫星总是位于地球上的某点之上，保证对地的持续观察。
Whether you have a very light object or a very heavy satellite, they have the same velocity in orbit if they are at the same distance, and they have the same orbital period.
不论你有个很轻的,物体还是很重的卫星,如果它们距离相同且,在轨道运动时间,相同，则速度一样。
The Delta has the launch range booked to carry a new GPS satellite into orbit.
德尔塔火箭已经预定了发射时段，将新的全球定位卫星发射入轨道。
It would also have enough thrust to deliver a satellite to low-Earth orbit.
还拥有足够的推力将卫星送入低地球轨道。
A resurrected satellite, carrying the hopes of climate scientists, successfully made a second attempt to reach orbit today from the Baikonur cosmodrome in Kazakhstan.
承载着气象科学家的希望，一颗科研卫星今天在哈萨克斯坦的贝康诺卫星发射场再度发射，并成功抵达预定轨道。
This ability is especially useful when scientists are, say, planning to put a satellite in orbit or charting the course of the moon.
当科学家计划将一颗人造卫星送上月球轨道时，这种计算能力便显得尤为重要。
But the Americans hardly have to worry that the Chinese are about to surpass them, as they certainly did in 1957 when the Soviet Union became the first to put a satellite into orbit.
但是美国人根本没必要担心中国人将会在航天领域超过自己。 1957年，当苏联成为首个将卫星送上天的国家之时，美国人就曾忧心忡忡。
The incident is thought to have involved a 12-year-old satellite belonging to the US company Iridium and a defunct Russian Cosmos satellite that was put into orbit in 1993.
这起事故是关于美国铱公司12年前发射的一颗卫星，以及俄罗斯1993年发射的已经失效的宇宙卫星。
Tonight's rare lunar occurrence, when Earth's natural satellite is only a mere 356, 575 kilometers out in orbit, brings the moon to its closest position to Earth.
今天晚上地球的天然卫星月球在其轨道上离地球仅有356575公里远，这使得月球处于离地球最近的位置上，而这也是极为罕见的有关月球的事件。
The TanDEM-X satellite has blasted into orbit on a mission to acquire the most precise 3D map of the Earth's surface.
TanDEM-X卫星已经被发射进入轨道，它的任务是获得最精确的地球表面三维地图。
The satellite split off from the rocket about 25 minutes after its 00:20 lift-off, entering a geosynchronous transfer orbit.
“鑫诺二号”卫星于29日零时20分点火升空，25分钟后与运载火箭分离，进入地球同步转移轨道。
But two events in the past four years - a 2007 Chinese anti-satellite weapon test and a 2009 crash-in-orbit of two satellites - put so much new junk in space that everything changed, the report said.
但是过去四年中的两件事却向太空中投放了太多的垃圾，一是07年中国反卫星武器的测试，二是09年两个卫星的相撞。报道称，所有的事情都改变了。
The orbit of a space satellite decayed.
人造卫星轨道的能量消减了。
Once we saw it was moving in a pattern consistent with an orbit, we knew it was a satellite.
有一次，我们发现它是在沿着一个轨道连续不断的移动，我们才知道这是颗卫星。
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.
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。
While that won't be enough to knock it out of orbit, it could be sufficient to avoid a collision with a space station or satellite.
尽管这并不足以使太空垃圾偏离轨道，但已足够防止它们和人造卫星或者太空站相撞。
The first thing this satellite needs is a low orbit.
卫星的第一道关是需要一条低空运行轨道。
India launched a satellite into moon orbit in 2008, but had to abandon it nearly a year later after communication links snapped and scientists lost control of it.
印度在2008年将一颗卫星发射至月球轨道，不过在一年后，由于卫星通讯突然中断，科学家失去了对其控制而不得不将之抛弃。
India launched a satellite into moon orbit in 2008, but had to abandon it nearly a year later after communication links snapped and scientists lost control of it.
印度在2008年将一颗卫星发射至月球轨道，不过在一年后，由于卫星通讯突然中断，科学家失去了对其控制而不得不将之抛弃。
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