What the shuttles did provide, however, was a way for America to carry people into low-earth orbit.
然而，航天飞机为美国提供了一种将人带入近地轨道的方法。
Space Fence will provide continuous, net-centric space situational awareness by detecting smaller objects in low and medium earth orbit.
太空护栏将通过探测中低地球轨道的小型目标提供持续的网络中心态势感知。
In theory, the outsourcing of low earth orbit will make available resources for NASA to focus on farther-reaching manned exploration.
理论上，近地轨道外包将使美国宇航局有更多资源来专注于远程有人探索。
They were confined to low-earth orbit, where they did the unglamorous job of launching satellites or ferrying astronauts to the International Space Station.
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。
Commercial space companies like SpaceX and Bigelow Aerospace have argued for a larger role for private industry in providing human launch services to low-earth orbit.
类似space X和Bigelow Aerospace那样的商业空间公司则主张，让私营工业在向地球低轨道提供载人发射方面发挥更大的作用。
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.
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。
The MIT-based authors of the journal article note that the trend could exacerbate some problems, such as the growing congestion in earth orbit as well as the danger of spreading space debris.
一个麻省理工的研究者写文章指出这种趋势加重了一些问题，如日趋严重的地球轨道堵塞和正在增加的空间垃圾。
But low-Earth orbit isn't a perfect vacuum.
但近地球轨道不是一个完美的的真空。
When we finish, ISS will be a premier, world-class laboratory in low Earth orbit.
当我们完成时，国际空间站将成为近地轨道上一流的世界级实验室。
PASADENA, Calif. - Send a robot into space. Grab an asteroid. Bring it back to Earth orbit.
加州帕萨迪纳市——将机器人发射入太空，抓取一个小行星，然后把它拖回地球轨道。
NASA has not flown astronauts beyond low-Earth orbit since the Apollo program, in the 1970s.
美国航空航天局自20世纪70年代的“阿波罗计划”以来，就没有进行过超出地球低轨道的载人航空活动。
The satellite Markus USES - ICESat - was retired in early 2010 after 7 years collecting data in Earth orbit.
马库斯所用的ICESat号卫星在沿地球轨道飞行，收集了7年的数据，已于2010年初退役。
Since the crew of Apollo 17 returned from the moon in December 1972, no human has ever left low-Earth orbit.
自从1972年12月阿波罗17号的机组成员从月球返回地球以来，再没有人飞出过近地轨道。
NASA Administrator Charles Bolden says the budget "enables NASA to set its sights on destinations beyond Earth orbit."
图释：美国太空总署行政长官查尔斯·博登称这次预算将使美国太空总署能够将目光投向地球轨道外的目标。
In the meantime, it could replace chemical rockets for pushing satellites from low Earth orbit to geostationary orbit.
同时，它可以取代化学燃料火箭来帮助卫星从近地轨道变轨至静止轨道。
One calls for launching microsatellites into low Earth orbit in constellations that would provide continuous target coverage.
其中之一是将小卫星发射到低地球轨道构成卫星星座，以便能提供对目标的持续覆盖。
The firm is developing a space vehicle called Dream Chaser, which could carry six to eight people to and from low-Earth orbit.
该公司正研发叫“追梦者”的航天飞船，该飞船能载6到8人在近地轨道往返飞行。
The rocket is designed to launch 207 tons (414,000 pounds) of cargo to low-Earth orbit and 78.5 tons (157,000 pounds) to the moon.
火箭发射的目的是将207吨(41.4万磅)的货物送上低地球轨道，以及将78.5吨(15.7万磅)的货物送到月球。
Phobos-Grunt has been stuck in Earth orbit since its launch on 9 November, unable to fire the engine that would take it on to Mars.
“福布斯-格朗特”号11月9日发射后由于引擎故障一直被困在地球轨道上，无法朝着火星的方向继续飞行。
But then again, most sailboats do have a motor for tooling around in the harbor, which is how Dr. Friedman describes being in Earth orbit.
但是，反过来说，大多数帆船都配有马达，以便在港口内行驶，弗里德曼博士这样描述在地球轨道的情况。
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。
On Dec. 21, 1968, NASA astronauts Frank Borman, James Lovell, and William Anders became the first humans to leave low-Earth orbit and visit the moon.
1968年12月21日，NASA宇航员弗兰克·博尔曼、詹姆斯·弗洛尔和威廉·安德斯成为第一批脱离近地轨道并访问月球的人类。
In low Earth orbit, say 220 miles (355 km) up, where most human space travel takes place, a single circuit is completed in a much brisker 90 minutes.
在近地轨道，例如高于地球表面220英里(355公里)处大多数人类太空旅行发生的地方，运行一圈则需要更短的90分钟。
Space Fence is envisioned as a network of ground-based S-band radars that will detect, track, measure and catalog thousands of objects in low-Earth orbit.
设想中的‘太空篱笆’为地基s波段雷达网络，将可探测、跟踪、测量和分类近地轨道成千上万的太空物体。
NASA says astronauts would not fly onboard until at least 2016. NASA has not flown astronauts beyond low-Earth orbit since the Apollo program, in the 1970s.
美国宇航局说，宇航员最早将于2016开始太空飞行。美国航空航天局自20世纪70年代的“阿波罗计划”以来，就没有进行过超出地球低轨道的载人航空活动。
Esa and other nations are already discussing a next-generation space station that would operate as a base from which to explore space beyond low-Earth orbit;
欧洲航天局和其他国家都已经开始在讨论下一代空间站，以此作为一个基地，去探索超越近地球轨道之外的空间；
The Magnum would use the space shuttle launch facilities at Cape Canaveral and could launch 80 tons (81, 280 kilograms) of payload into low Earth orbit (LEO).
“大酒瓶”号将利用卡纳维拉尔角的航天飞机发射装置进行发射，它能运送80吨（81 280公斤）的载荷进入近地轨道。
The Magnum would use the space shuttle launch facilities at Cape Canaveral and could launch 80 tons (81, 280 kilograms) of payload into low Earth orbit (LEO).
“大酒瓶”号将利用卡纳维拉尔角的航天飞机发射装置进行发射，它能运送80吨（81 280公斤）的载荷进入近地轨道。
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