The Earth-Moon system has always been perplexing.
地月系统一直令人困惑。
In this picture, the Earth-moon system actually appears to be a double planet.
照片中，地月系统实际上看上去像一颗双行星。
Then on the basis of invariant manifold theory and Poincaré section, a transfer trajetory between L1 and L2 of the Earth-Moon system was given.
然后基于不变流形理论和庞加莱截面方法，设计了不同拉格朗日点间转移轨道。
Finally, the implications of tidal rhythmites for the Earth's rotation and the history of the Earth-Moon system in geological past are concluded.
最后，对潮汐韵律层在推测地史时期地-月系的演化历史中的意义作了评述。
The dynamics of the Earth-Moon system is quite different from the Sun-Earth system especially after a long duration for the gravitational attraction of the Sun.
由于在地-月系统中太阳的引力不可忽略，特别是在长时间作用以后，其动力学行为与摄动力较小的日-地系统有明显的不同。
Just because the Moon's rotation has ceased to slow down doesn't mean that the Earth/Moon system isn't changing in other ways.
单纯地月球的自转放慢停止并不意味着地球/月球系统不会以其他的方式改变。
I visited the crater as night fell, and I felt keenly aware that fragments of the solar system can invade our cozy realm of Earth and Moon.
夜幕降临的时候我参观了这个陨石坑，我深深地明白，太阳系的碎片随时可能侵入我们舒适的地球和月球构成的环境。
Most scientists think the moon was born when a huge object roaming the inner solar system - something about the size of Mars - smashed into the embryonic Earth.
大部分科学家认为月球在一块徘徊在太阳系内，大小几近火星的巨型物体撞击原始地球后产生。
The Earth and moon are both celestial bodies that exist in the same solar system, so they do have something in common. But they are as different in nature and characteristics as night and day.
地球和月亮都是太阳系的天体，所以它们是有共同点的，但是它们的本质特征就像白天和黑夜一样不同。
The Fusion Camera System technology, specially designed for the film’s production, creates an inhabited Earth-sized moon of Polyphemus and never-before creatures.
特别为电影开发的Fusion摄影系统创造出了与地球等大的卫星波吕斐摩斯，以及见所未见的神奇生物。
And then the Earth Moon system has been in a steady evolution until now and aftertime.
然后地月系统处于稳定演化期，直至今日和未来。
The subterranean ocean likely lies nearly 100 miles below the surface of Jupiter's moon, the largest natural satellite in the solar system, giving hope that life beyond Earth is possible.
木卫三是木星在太阳系中最大的卫星，它的地下海洋可能在表面以下近100英里处，这给了我们可能有地外生命的希望。
Titan, the largest moon of Saturn, is the only place in the solar system other than Earth where large bodies of liquid coat the surface.
泰坦是环绕土星的最大的卫星，也是除了地球之外，太阳系唯一一处地表覆盖有大面积液态物质的地方。
The results of these first Earth satellite launches were the genesis of the development of interplanetary stations to investigate the Moon and planets of the Solar System.
这些最初的地球卫星发射的成果引发了探索月球和太阳系内行星的行星际探测器的研制。
He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth.
他安置了固定的太阳在太阳系的中心与行星去围绕它的和仍然去围绕地球的仅月亮的。
He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth.
他把太阳固定在太阳系的中心位置上，而行星则围绕着太阳转，只有月球仍然绕着地球转。
He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth.
他把太阳固定在太阳系的中心位置上，而行星则围绕着太阳转，只有月球仍然绕着地球转。
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