大气中的二氧化碳和甲烷阻止热量向太空散发。
Carbon dioxide and methane in the atmosphere block the escape of heat into space.
当彗星靠近太阳时，它的冰层融化，释放的气体和尘埃飘向太空。
As the comet nears the sun, its ice melts, releasing gas and dust that stream away into space.
这个问题正变得越来越具有挑战性，因为我们正在向太空发射更多的物体来帮助人们使用他们的手机和电脑。
The problem is becoming more challenging because we're sending more objects into space to help people use their mobile phones and computer.
官方报纸庆祝了天宫一号的消息，因为它向太空迈进了一大步。
The official newspaper celebrated the news of Tiangong 1, for it took a big step forward into space.
“气球”宇宙飞船使用水力向太空推进，成本大约是普通宇宙飞船的三十分之一。
The "Balloon" spaceship uses water to push it through space and costs about one-thirtieth of a normal spaceship.
白宫官员宣布了一项新的太空政策，其重点是对各大公司和政府向太空发射的越来越多的卫星进行管理。
Officials at the White House announced a new space policy focused on managing the increasing number of satellites that companies and governments are launching into space.
实际上，残存的大气仍在向太空缓慢逃逸。
In fact, the vestigial atmosphere is still slowly dissipating into space.
太阳发出的光线普照地球，然后以热的形式向太空散回。
It's the sun's light that bathes the Earth and then gets sent back towards space as heat.
影片开始时，等离子体的弧线上升接近太阳表面并向太空膨胀。
At the start of the movie, an arc of plasma arises close to the surface and balloons outward into space.
这种向太空同时抛射粒子的事件被称为冠状大喷发（CME）。
The event's simultaneous launch of particles into space is called a coronal mass ejection (CME).
其中一个细节显示，银河系似乎近来在向太空中“吹泡泡”。
One such detail, it seems, is that the Milky Way has been blowing bubbles recently.
在许多场合中，失控的卫星被射向太空，以避免与地球相撞。
In several cases, rogue satellites have been shot out of the sky to prevent them crashing to Earth.
美国一名理科生投入小成本向太空发射了一个气球，拍摄到地球表面图像。
An American science student has captured images of the curvature of the Earth after sending a balloon into space on a shoestring budget.
人们认为当初期的地球和忒伊亚相碰撞时，把物质洒向太空时，月球形成了。
It is believed that the moon formed when the nascent Earth and Theia collided, sending materials out into space.
想想蜂窝网络，我敢说你会想象到基站塔点缀这整个国家，向太空辐射着信号。
Think of a cellular network, and I'll bet you picture cellphone towers dotting the country, beaming signals into space.
那些人穷其一生向太空发射各种贵得离谱的物体，很多最终不知去向。
These guys spend their lives blasting ludicrouslyexpensive objects into space, and a good number of them get lost.
那些人穷其一生向太空发射各种贵得离谱的物体，很多最终不知去向。
These guys spend their lives blasting ludicrously expensive objects into space, and a good number of them get lost.
至此，离子通向太空的单程旅行前的最后一步开始了，这就是沿着地球磁场自由航行。
This is when the last stage of their one-way trip into space begins: sailing along the magnetic field of the Earth.
SPP计划的目的之一是了解“太阳风”——从太阳吹向太空的带电粒子流——的本质。
One of the aims of the SPP mission is to understand the nature of the "solar wind", the mass of charged particles that billows away from the Sun into space.
人类已经向太空发射了许多载人的和遥控的飞行器，用来探索地球之外的临近天体。
Humans have sent many missions, both manned and robotic, beyond our planet to explore our neighboring celestial bodies.
为了测量这种微小的变形，科学家们在引力探测-B计划中向太空发射了四个陀螺仪。
To measure these minor deformations, scientists sent four gyroscopes into space in a mission called Gravity Probe b.
今后的四年，该公司计划向太空中发射真实的构件，组建成太阳系中第一艘私人空间站。
Four years from now, the company plans for real modules to be launched and assembled into the solar system's first private space station.
国际空间站“是人类向太空进军的第一步，它不是终点，而是前进过程中的重要一步。”
The station is "off the planet and it's the first step outward -- not an end in itself but a step along the way.
在他们的飞行任务执行一周前，有三位英国人在马德里附近向太空成功发射了一架纸飞机。
News of their space mission comes only a week after three Britons launched a paper plane into space from a launch site near Madrid.
斯蒂芬·霍金警告说，人类除非在未来两个世纪内向太空殖民，否则将面临永远消失的危险。
Stephen Hawking has warned that unless the human race colonises space within the next two centuries it will disappear forever.
斯蒂芬·霍金警告说，人类除非在未来两个世纪内向太空殖民，否则将面临永远消失的危险。
Stephen Hawking has warned that unless the human race colonises space within two centuries it will disappear forever.
怀特·霍姆先生认为，在向太空运送货物甚至人造卫星方面，他们的空天飞机还有着更广泛的用武之地。
Mr Whitehorn believes that wider use of the vehicle will ultimately come with lifting payloads and satellites into space.
而地球向太空所辐射的能量多少，则在于大气层中空气成分构成，尤其是温室气体的含量大小。
The amount of energy emitted by the Earth depends significantly on the chemical composition of the atmosphere, particularly the amount of heat-trapping greenhouse gases.
而地球向太空所辐射的能量多少，则在于大气层中空气成分构成，尤其是温室气体的含量大小。
The amount of energy emitted by the Earth depends significantly on the chemical composition of the atmosphere, particularly the amount of heat-trapping greenhouse gases.
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