激光雷达的光脉冲返回卫星所消耗的时间提供了大气中云或者粒子的位置信息。
The length of time the lidar’s light pulse takes to return to the satellite provides information about where the clouds or particles are in the atmosphere.
2003年2月1日，哥伦比亚号航天飞机在返回大气层时解体，7名宇航员全部罹难。
On Feb. 1, 2003, the space shuttle Columbia broke apart on reentry into Earth's atmosphere, killing all seven crew members.
但是腐烂的植物又转化成二氧化碳返回到大气层中。
But rotting plant matter returns carbon dioxide to the atmosphere.
今年4月，“联盟号”飞船返回舱在进入地球大气层之前因爆炸螺栓未能引爆，最后在偏离预定着陆点420公里的地方惊险着陆。
In April, a Soyuz capsule landed 420 km off course after explosive bolts failed to detonate before re-entry, sending the craft into a steep descent.
“发现号”上较老的板片的条纹是其在返回途中地球大气层等离子体环境造成的，在照片中它们更扎眼的原因是新的板片还保持着原来的深黑色。
Older tiles on Discovery look streaked from the plasma environment of re-entry. They stand out in photos because new tiles still appear a pristine dark black.
不过按照公司在纽约公布的计划，新的飞行器将远不止在大气层的边缘做一些短途旅行然后返回。
However, as the firm also made clear at the announcement in new York, the new craft may one day do a lot more than ferry day-trippers to the edge of space and back.
他们正在试图确定这颗高层大气研究卫星返回大气层的准确时间和地点。
They are trying to determine the satellite UARS returns to the atmosphere of the exact time and place.
ELSA1及碎片都会在返回大气层时燃烧殆尽。
云的增加对大气窗区也起著屏蔽作用，因而使额外的长波辐射返回地面。
Increased cloud also blocks the atmospheric window and returns additional long-wave radiation to the ground.
所有的经济行为都阻碍“生态系统服务”——因为所有的经济行为都需要获取能源和材料却返回废弃物，这种循环破坏了地球和大气的正常循环。
All economic activities degrade "ecological system services" - they all require energy and materials from the earth and return as wastes to the earth and atmosphere increasing disorder.
你听说了吗？那颗人造卫星正在慢慢地返回地球，预计在未来两周之内就会进入大气层。
Have you heard that the satellite is slowly making its way back to the earth, and is expected to reenter our atmosphere within the next two weeks?
研究了低高度大气层内飞船应急返回时返回舱的姿态运动规律。
The attitude motion law of the return module in low - altitude endo- atmosphericemergency return of spaceship is studied in this paper.
美国国家航空和宇宙航行局的高层大气研究卫星，简称UARS，预计将于九月末返回大气层。
NASA's Upper Atmosphere Research Satellite, or UARS, is expected to reenter the atmosphere at the end of September.
当杨利伟返回地球大气层时，直升机在干什么？
What were helicopters doing as Yang Liwei returned to the earth's atmosphere?
最终，上升号飞船2号在返回大气层时脱离原轨道，最后着陆于乌利尔山·列昂诺夫和他的指挥官被迫在饿狼环伺，嗷声不断的环境下等待救援。
Finally, Voskhod 2 went off course during re-entry and landed in the Ural mountains where Leonov and his commander were forced to wait for rescue amid the howls of hungry wolves.
航天飞行器在再入大气过程中会受到严重的气动加热。返回式卫星、飞船返回舱及航天飞机等采取高空机动再入，再入时间长，其峰值加热过程一般在60-90千米高空。
Spacevehicles such as spacecraft and space shuttle are subjected to severe aerothermal environment with the peak heating at height of 60~90km while they maneuver to reentry the earth's atmosphere.
航天器返回地球大气层的速度。
Spacecraft re-entering the earth's atmosphere are affected by g forces.
但是由于返回舱的降落伞未能打开，返回舱失去控制，在空中翻转。在进入地球大气层6分钟后，以每小时193英里的速度一头栽到沙漠中。
But the capsule's parachutes failed to open, and the spacecraft tumbled out of control and struck the ground at 193 miles per hour six minutes after entering Earth's atmosphere.
但是由于返回舱的降落伞未能打开，返回舱失去控制，在空中翻转。在进入地球大气层6分钟后，以每小时193英里的速度一头栽到沙漠中。
But the capsule's parachutes failed to open, and the spacecraft tumbled out of control and struck the ground at 193 miles per hour six minutes after entering Earth's atmosphere.
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