As of 2007, three extrasolar planets have been confirmed in orbit around this pulsar.
直至2007年，在这颗脉冲星周围轨道上已有三颗系外行星被确认。
A new survey of the Kuiper belt - the distant area of the solar system beyond the orbit of Neptune - has turned up three new icy worlds that may be dwarf planets like Pluto.
一项对柯伊伯带-太阳系学海王星轨道之外的远距区域的调查，找到了三个新的冰封世界，可能像冥王星那样的矮星。
But the satellites will arrive with less relative speed than spacecraft making the trip in three days, which means less fuel will be needed to brake and drop into lunar orbit.
但是相比太空飞船，卫星着陆时需要相对小的速度，这将需要三天的时间，意味着消耗更少的燃料进入绕月轨道。
Launched in 2004, the spacecraft flew by the planet three times before entering orbit in March of this year, when it sent the first close-up images back to Earth.
航天器于2004年发射，在今年三月进入轨道发回地球第一个特写图像之前，它已飞越水星三次。
If all goes well, three "taikonauts" will embark Thursday on a three-day Earth-orbit mission, which includes the country's first spacewalk.
如果一切顺利，三名“太空人”将于周四开始一段为期三天的太空之旅，其中一项任务是该国首次太空行走。
The Atlantis astronauts also plan to bring a space station flight engineer, Nicole P. Stott back to Earth after three months in orbit.
亚特兰蒂斯号还会把在轨道上工作了三个月的空间站飞行工程师，妮可尔。P .斯托克(Nicole P .Stott)返回地球。
MESSENGER has zipped right by Mercury three times since being launched in 2004, and is scheduled to enter orbit around the innermost planet in March of 2011.
信使号自2004年发射升空以来已经三次掠过水星，最终计划在2011年3月进入太阳系最内部行星——水星的轨道。
Seen here with its three known moons, Charon, Nix, and Hydra, Pluto is a member of a group of objects that orbit in a disklike zone beyond the orbit of Neptune called the Kuiper belt.
这里可以看见它的已知3个卫星：冥卫1，冥卫2，和冥卫3。 包括冥王星在内的一群物体，在海王星的凯伯带（数十亿颗在海王星轨道之外绕行的小型冰体构成的碟形带）之上，围绕着太阳的作盘形轨道运行。
Nearly three days after launch, the braking engines fired and the Apollo 8 capsule went into orbit around the moon.
发射后差不多三天时间，制动火箭启动了，阿波罗8号飞船进入了月球轨道。
The costs continued to rankle with those who thought manned space flight a waste of money, and three decades spent stuck in low-Earth orbit never stopped frustrating those who wanted to go farther.
对那些把载人航天看成虚掷钱财的人来说，航天飞机的成本始终令他们心痛；而对那些梦想着远航的人来说，在近地轨道上浪费的三十年时间令他们心寒。
Three other extrasolar planets believed to be of rocky composition have been reported, but they orbit a pulsar - the flashing corpse of an exploded star - rather than a normal type of star.
之前人们曾报道过另外三颗据信由岩石组成的太阳系外行星，但是，它们是围绕着一颗脉冲星(恒星爆发后遗留的发光的残存物)运转的，而不是一颗常态的恒星。
In addition, in 2009 the space station increased its capacity from three crew members to six, increasing demand to fly to low Earth orbit.
另外，2009年国际空间站机组成员由3人提升6人，大大增加了当时的近地轨道飞行运力需求。
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.
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。
The three-man crew of the Shenzhou (" sacred vessel ") Seven settled into their duties after reaching their final orbit 343 kilometers above the Earth earlier today (Friday).
“神州7号”的三名宇航员今天(星期五)凌晨在抵达距离地球343公里的最终轨道后开始执行任务。
If they orbited each other any more quickly, say, on the order of three minutes per orbit, the stars would pull so close that they would begin siphoning helium off one another.
假如它们相互绕轨道运行得更快一些，譬如说，绕轨道运行一周的时间降为3分钟，那么这一对白矮星就会相互牵引得过于靠近，而开始从另一个中抽取氮气。
As a show of power, the Empire destroyed three Mon Calamari cities from orbit.
为了炫耀武力，帝国从空间轨道上摧毁了三座蒙卡拉·马里城市。
The approach has proved a brilliant success, putting three NASA spacecraft into orbit around Mars and three rovers on the planet's surface (Pathfinder, Spirit and Opportunity).
这个方法被证明取得了巨大的成功，使得3个NASA空间探测器进入环绕火星轨道3个到达火星表面(探险者，精神号，机遇号)。
Once the space-shuttle program ends this year, the only way to get people into orbit and to the International Space Station will be to buy seats on Russia's three-person Soyuz capsules.
美国航天飞机项目今年退役后，购买限乘3人的俄罗斯联盟号太空舱座位将是运送人员抵达国际空间站的唯一途径。
In July, an Indian rocket successfully put five satellites into orbit, three months after the country's space ambitions suffered a setback when a rocket crashed on lift-off.
在七月，一个印度火箭成功地将五颗卫星送入轨道，之前三个月印度的空间野心因一次火箭发射失败遭遇挫折。
This paper has discussed "a small assistant" 's design method and skill in multimedia software from three respects such as element design, dynamic result design and sport orbit design, etc.
本文从图像元素设计、动态效果设计、运动轨迹设计三个方面，讨论了多媒体软件中“小助手”的设计方法和技巧。
Over the last three decades, China conducted 30 commercial launches for 14 countries and regions, putting a total of 36 satellites into orbit.
在过去的30年中，中国将14个国家和组织的30颗商业卫星送入轨道，总共将36颗卫星送入轨道。
The Russian rocket Proton-K is due to launch three new satellites into orbit on Christmas Day to facilitate Russia's GLONASS navigation system.
俄罗斯火箭“质子- K”将在圣诞节将三枚人造卫星发射升空。这些卫星用于帮助俄罗斯glonass导航系统。
Besides, we study the spin precession in one-dimensional ballistic system with three different forms of spin-orbit coupling.
此外，我们研究了在三种不同形式的自旋轨道耦合下一维弹道系统中的自旋进动。
The flight trajectories from low earth parking orbit (LEO) to low lunar parking orbit (LLO) based on a planar three-body model are studied.
进行了基于平面三体模型的登月飞行器轨道控制方法的研究；研究了从近地低轨道到近月低轨道的飞行轨道；
Three Chinese astronauts returned safely to earth in their space capsule late Sunday afternoon after spending nearly three days in low orbit and completing the nation's first spacewalk.
在完成近三天的轨道飞行和首次国家的太空漫步，三名中国宇航员于星期天下午成功返回地球。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
NASA is set to launch into orbit a space telescope that will probe the skies for planets similar to the Earth. The craft is scheduled for launch late Friday to begin a three-and-a-half year mission.
美国国家航空和宇宙航行局准备将一个太空望远镜送入轨道，以探索太空中与地球类似的行星。望远镜将于星期五晚些时候发射，开始为时三年半的探测。
NASA is set to launch into orbit a space telescope that will probe the skies for planets similar to the Earth. The craft is scheduled for launch late Friday to begin a three-and-a-half year mission.
美国国家航空和宇宙航行局准备将一个太空望远镜送入轨道，以探索太空中与地球类似的行星。望远镜将于星期五晚些时候发射，开始为时三年半的探测。
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