研究了太阳质量损失对地球轨道改变的长期影响。
The author investigates the secular influence of solar mass-loss on the change of the orbit of the earth.
火星和地球的轨道随着时间而发生改变。
当行星绕太阳运行时，其轨道椭圆的主轴每次都会改变。
The main axis of the planet's orbital ellipse shifts each time when it goes around the sun.
他们可能不会接近国际空间站的轨道，但斯特恩相信他们将彻底改变我们公众看待太空的方式。
They might not come close to the ISS's orbit, yet Stern believes they will revolutionise the way we, the public, see space.
我走过去要给他一个吻，只是啄一下而已，而他却把头摆开了，像一头紧张的赛马那样将他的头甩开，让我来不及了改变轨道，所以我就假装是想吻他的脸颊。
I go to give him a kiss - just a peck - and he veers off, jerking his head out of the way like a nervous racehorse, too late to alter my trajectory and pretend I was aiming for his cheek.
一旦发现某个星体构成与地球或月球碰撞的威胁，月球制造的宇宙火箭即使其改变轨道以解除威胁。
Those objects that once presented a threat of collision with the Earth or the Moon will have had their orbits altered by Moon-constructed spacecraft.
改变小行星轨道的方法有好几个，最简单易行的方法就是让一架宇宙飞船和这个大石头玉石俱焚。
There are several ways to change an asteroid's orbit, the simplest of which is to run a spacecraft into the hurtling rock.
然而，假如一颗已有行星伴随的恒星再要捕获另一颗行星，那么已有行星中的一颗便会改变它的轨道，而这样的结果将会导致系统不稳定。
However, if a star with planets captures another one, then one of its existing planets must change its orbit, and this could make the system unstable.
就像在他之前的盖茨，施米特表示，面对监管的挑战，他并不打算改变其公司的轨道。
Just like Gates before him, Schmidt says he has no plans to change his company's trajectory in the face of regulatory challenges.
同样的，第五个方程序，中的速度同样，会随时间改变，因为这是椭圆形轨道。
Also that velocity, v, in that equation number five will also change with time because it's an elliptical orbit.
如有必要，美国太空总署会设计装置来改变该小行星的轨道。
Should the need arise, the space agency will construct machinery to change the asteroid's orbit.
但是穆勒认为正是这种不稳定性在百万年的时间中改变了它的轨道，在下一个十亿年“复仇者”会完全脱离太阳系。
But Muller says this instability has resulted in an orbit that has changed greatly over billions of years, and in the next billion years Nemesis will be thrown free of the solar system.
这些层可以被动态的增加或删除，你也可以对这些层进行改动，因为每层都有一个轨道，你可以在轨道中的特定时间点加入关键帧到达改变动画的目的。
These layers and be added or removed dynamically and you can change each layer as it has a track that lets you change it as a function of time by inserting keys at certain frames in the track.
通过在接近的小行星上安装火箭助推，或者通过核爆炸略微改变其的轨道，就有可能避免一场灾难。
They might, by attaching rocket motors to the incoming rock, or nudging its orbit with nuclear explosions, even be able to avert disaster.
尖端两边的相的差异使得电流流过尖端，它对于下面分子轨道的相的改变非常灵敏。
That phase difference from one side of the tip to the other makes the current running through the tip sensitive to changes in the phase of the orbital of the molecule below, too.
你知道世事无常，祸福难料，但只要你呆在所在的轨道上不加改变，你就能够轻松地确定自己的生活和事业将终归何处。
You know there are going to be twists and turns, ups and downs, but you can easily figure out where you'll end up professionally and personally if you stay on the track you're currently on.
改变我们的生活，打破我们的轨道，开始我们想要的生活，这不容易。
It's not easy to changes our lives, to break out of our routines, to begin to live the lives we want.
有些人认为改变地球轨道太危险，其他一些人则担心由于这一跳会使地球轨道变长，所以要改写公历。
Some believe it's risky to alter Earth's orbit, while others fear the jump will make the Gregorian calendar obsolete because of the length of Earth's new orbit.
科学家已经分析了奥特云中的彗星，并得出推论称，其中25%的彗星在它们改变运行轨道前，需要至少木星大小的星体提供推动力。
The scientists have analysed the comets in the Oort cloud and deduced that 25 per-cent of them would need a nudge by a body of at least Jupiter size before they changed orbit.
这种飞行器能够让任何接近中的彗星或其他可能飞奔至地球而来的太空抛射物体脱轨，并改变它们的运行轨道使其足以偏离地球。
This craft would be able to derail any incoming comets or other outer-space projectiles that might be hurtling towards Earth, and change their trajectory just enough that they miss us.
科学家们认为这个速度加上行星的重量屈服于强大的重力牵引力，可以改变行星的运行轨道。
Scientists think that this speed coupled with the planet's heft yields strong gravitational tugs that can alter the planets orbit.
地球轨道缓慢而微弱的变化改变了阳光照射我们的数量和辐射的分布，从而引发了这些变化。
They were started by slow and subtle shifts in the orbit of the Earth that changed the amount and distribution of radiation reaching us from the sun.
这样就改变了GPS信号的传播，减小了地球底层轨道上空间碎块的衰减速度。
This altered the propagation of GPS signals and slowed the rate of decay of space debris in low Earth orbit.
这些小行星在横越其它内部行星后就会快速改变轨道，其中也包括地球。
Such asteroids would rapidly have adopted orbits that cut across those of the inner planets, including Earth.
同时，这些新发现行星的体积和轨道彻底改变了科学家对行星系形成和进化过程的认识。
Meanwhile, the sizes and orbits of planets already discovered are revolutionizing researchers' understanding of how planetary systems form and evolve.
自我们降临凡尘，宇宙中就有一位伟大的神灵在微妙地改变我们的运行轨道，终始我们能于这一天邂逅在巴黎至伦敦的班机上。
From the time of each of our births, it seemed as though the giant mind in the sky had been subtly shifting our orbits so that we would one day meet on the Paris-London shuttle.
唯一的办法是改变你的目的地，你要跳转到一个全新的轨道上。
The only solution is to change your destination, which means you have to jump on a whole new set of tracks.
你对你每天面对的工作的所谓消极感，其实就是你需要改变的信号，你的生活没有处在一个正确的轨道上。
Your so-called "negative feelings" about the job you dread going to everyday, turned out to be signs that you needed to change course, that your life wasn't going in the right direction.
你对你每天面对的工作的所谓消极感，其实就是你需要改变的信号，你的生活没有处在一个正确的轨道上。
Your so-called "negative feelings" about the job you dread going to everyday, turned out to be signs that you needed to change course, that your life wasn't going in the right direction.
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