A close second in the giant rocket race is the former Soviet Union's N-1 rocket, an enormous booster designed to launch cosmonauts to the moon during the Space race with the United States.
巨型火箭竞赛中紧跟在第二的是前苏联的N - 1火箭，一个与美国太空竞赛期间旨在将宇航员送上月球的巨大的助推器。
NASA’s space shuttle fleet may seem puny compared to giant rockets of the past, but its 28-year flight history makes it a good measuring stick when it comes to booster match-ups.
与过去这些巨型的火箭相比，航天飞机可能看起来像个“小不点”，但其28年的飞行历史使它成为助推器调配很好的标杆。
The Ares I-X towers 327 feet (100 meters) above Launch Pad 39B, a launching site that until recently was used to fly space shuttles, and has been converted for the new booster.
屹立在39B发射台上的战神I-X火箭塔高327英尺（约100米），这个发射场此前一直被用于航天飞机发射，现在已被转用于新的助推器。
The rocket launch is NASA? S first suborbital test of the new Ares I booster to launch astronauts to space aboard its shuttle successor, the Orion craft.
这次发射是NASA新型火箭的第一次亚轨道飞行测试，成熟后的战神I号将替代航天飞机，搭载猎户太空舱进行载人航天的任务。
Aluminum already represents a small but critical part of many rocket fuels, including the propellants for the space shuttle's solid booster rockets and NASA's next generation Ares rockets.
铝已经成为了许多火箭燃料小却关键的组成部分，包括航天飞机固体燃料推进火箭和国家宇航局下一代的Ares火箭。
But running the object's orbit backwards showed that the asteroid never came close enough to Earth during the space age to have started life as a rocket booster.
但是追溯、反向分析它过去的轨道位置表明这个小家伙在人类太空时代不可能近距离靠近地球，也就不可能是火箭助推器了。
What they have found is that the Shuttle using a liquid booster could be much safer and could carry 36% more payload to low Eeath orbit and 50% to space station orbit.
他们发现，使用液体助推器可大大提高航天飞机的安全性，并使其低地轨道和空间站轨道有效载荷能力分别提高36%和50%。
"Booster ignition and lift off for space shuttle Discovery, taking the space station to full power for full science," said a ground controller.
“发现号点火升空是为了完善空间站的科研功能。”一个地面控制人员说。
This paper describes the parachutes that have been developed for the space shuttle solid booster recovery system. A status report on a new lightweight parachute system being developed is presented.
文中对航天飞机固体火箭助推器回收系统所用的降落伞及即将使用的新式轻型降落伞的研制情况作了简要介绍。
This paper describes the parachutes that have been developed for the space shuttle solid booster recovery system. A status report on a new lightweight parachute system being developed is presented.
文中对航天飞机固体火箭助推器回收系统所用的降落伞及即将使用的新式轻型降落伞的研制情况作了简要介绍。
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