If a spacecraft travels faster than 11 km a second, it escapes the Earth's gravitational pull.
如果一架宇宙飞船飞行超过每秒11公里，它就能摆脱地球引力。
In art I want to be free from the earth's gravitational pull.
在摄影作品中，我想脱离地心引力。
That was well known, and is caused by the gravitational pull of Venus.
那个发现曾引起巨大轰动，并且被普遍认为是由金星的引力引起的。
A black hole exerts a strong gravitational pull and yet it has no matter.
黑洞产生很强的引力，而它却没有物质。
N: Is that because the earth is more massive and so has greater gravitational pull?
尼基：是不是因为地球比较重，地心引力也就比较大？
The gravitational pull of secrets works both ways.
秘密的“引力”是双向的。
Their gravitational pull is so strong, they absorb light.
黑洞的万有引力很强，能把光线吸进去。
The collapsed star is so dense that nothing can escape its gravitational pull, not even light.
坍塌的星是如此的密集以致于没有什么能逃脱它的引力，甚至光也不能。
The strong 3 gravitational pull of our moon ACTS as a global 4 gyroscope stabilizing the Earth's axis.
月亮强大的引力就像是地球的一个陀螺仪，保证了地球轴心的稳定性。
The gravitational pull of the Sun and Moon cause the Earth to experience a phenomenon known as tides.
太阳与月亮的引力作用使地球产生了潮汐现象。
The strong 3)gravitational pull of our moon acts as a global 4)gyroscope stabilizing the Earth's axis.
月亮强大的引力就像是地球的一个陀螺仪，保证了地球轴心的稳定性。
If the distance between two objects is shortened twice, then the gravitational pull grows by a factor of 4.
如果两物体间距离缩小一半（减小到原来的1/2），则其间万有引力增大到4倍（增大3倍）。
Their great speed and power help them to escape from the Earth's gravitational pull and go into space.
宇宙火箭的巨大速度和强大的动力，帮助它挣脱地球的引力而进入空间。
He struggled with the problem of how to treat the gravitational pull of the earth on terrestrial objects.
他就曾为如何处理地球对地上物体的吸引力的问题而伤脑筋。
How can we overcome the Earth's gravitational pull? Scientists have been working on this for a long time.
怎样才能克服地球的引力呢？科学家们为此进行了长期的研究。
Chemical rockets have the high thrust necessary to lift rockets into space, overcoming the Earth's gravitational pull.
化学燃料动力火箭可以提供克服地球引力所必须的强大推进力。
To get out into space and travel to the moon or other planets we have to overcome the Earth's gravitational pull.
要飞向空间并到月球或其他行星去旅行，就必须克服地球的引力。
The existence of dark matter has been inferred through the gravitational pull it exerts on luminous galaxies and stars.
通过暗物质对发光星球和星系施加的引力可以推测出其存在。
Those in a binary star system may have a strong enough gravitational pull to gather in material from a neighboring star.
那些双星系统中的白矮星可能有足够强大的引力，能从伴星上吸聚物质。
This blue planet, and near her, the white moon that holds us in her gravitational pull so that we spin at the speed of life.
这蓝色的星球，还有在她附近，那以自身引力挽留住我们的白色月亮，于是，我们以生命的速度旋转。
It is only recently that they have been able to build machines powerful enough to get out of the Earth's gravitational pull.
直到最近，他们才能够制造出足以克服地球引力的强有力的机器。
These are extremely dense masses believed to exist at the center of most galaxies. Their gravitational pull is so strong, they absorb light.
黑洞是被认为存在于大多数星系中心的密度极大的物质，它具有非常强的引力，可以吸收光线。
His most celebrated research concerns black holes, concentrations of matter so dense even light cannot escape their gravitational pull.
他最著名的研究成果与黑洞有关。黑洞是超高密度的天体，连光都逃不过他们的引力。
A better bet, at least in terms of continuity of production, is tidal power, whose energy comes from the gravitational pull of the sun and moon.
至少就生产的连续性来说，一个更好的选择是潮汐能，其来源于太阳和月球的引力。
The new planets were detected by measuring "radial velocity," or how fast a star wobbles depending on the gravitational pull from nearby planets.
新的行星是靠测量“径向速度”，或者恒星在周围行星的万有引力下摇摆的速度检测出来的。
Already researchers are locating giant planets far enough from the gravitational pull of their host star to potentially harbor stable satellites.
研究者已经在寻找那些距离其母恒星的引力足够远，以致可能庇护安定的卫星的巨型行星。
For the most part this rate of expansion has been slowing down (decelerating) ever since due to the gravitational pull of the matter on itself.
由于物质间引力的相互作用，大体上这种扩张的速度已开始放缓(减速)。
Dark matter, a mysterious entity of longer standing, is some invisible but common substance that reveals itself only through its gravitational pull.
暗物质，一个长期存在的神秘实体，是某种不可见的普遍存在的物质，它们只通过其引力揭示自己的存在。
For more than six decades, the United States has resisted the gravitational pull of these "come home" debates and the implicit zero-sum logic of these arguments.
60多年来，美国顶住了此类“回家”论调的牵引力和这些论点所隐含的零和逻辑。
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