月球的自转和倾斜在太阳系的其他行星体中是独一无二的。
The Moon's spin and tilt are unique among other planetary bodies in the solar system.
在太阳系所有行星中，火星绕太阳的轨道速度第四快。
Mars's orbit around the Sun is the fourth fastest orbit of all the solar system planets.
类似的情况在太阳系的行星中也有发生。
A similar phenomenon happens to the planets of our solar system, Shull added.
在太阳系，大多数的行星都各自拥有统一的圆周轨道。
In our solar system, planets for the most part have fairly uniform circular orbits.
火星是太阳外第四个星球，我们在太阳系中的好邻居。
Mars is the fourth rock from the sun and our outer neighbour in the solar system.
你猜对了，在太阳系以内最好的氦-3供应来自天王星的“天然气田”。
You guessed it; the best helium-3 supply in the solar system is from the "Gas Mines" of Uranus.
没有比这个更简单的训练了，不管是在地球上还是在太阳系的任何地方。
Training doesn't get any simpler than this, not on this planet or anywhere else in the solar system.
你可以在太阳系的其它地方找到大量的极其稀有的矿物和金属。
You can find elsewhere in the solar system, very rare metals and minerals in large quantities.
他们的研究结果显示，火星仅仅形成在太阳系形成之后的两百万到四百万年间。
Their results show that Mars formed in as little as two to four million years after the birth of the solar system.
在太阳系中漫游的宇宙飞船当其靠近地球作低空飞越时，会加上一个额外速度。
Such fly-bys give spacecraft a whip-crack of extra speed【3】 on their tour through the solar system.
它是新灵魂进入地球的门户，在太阳系其他地方这种门户是不必要的。
It was the door by which new souls entered the earth, a door unnecessary elsewhere in the solar system.
行星科学家们现在怀疑是不是还有更多这样的“热点”分布在太阳系里。
The recent discovery of the geysers on Enceladus added a second twist, making planetary scientists wonder if there are even more such hot spots scattered around the solar system.
布鲁斯•科恩进一步指出，在太阳系，那些行踪不定的小行星的干扰是不会停止的。
Plus as Bruce Koehn points out, our solar system's dance of asteroids is hardly set in stone.
地球深层多细胞生物的发现，对于在太阳系其它行星寻找地下生命也有重要的启示。
The discovery of multicellular life in the deep subsurface of the Earth also has important implications for the search for subsurface life on other planets in our solar system.
经常有彗星被甩出奥尔特云(在太阳系边缘的彗星群)，并靠近地球到肉眼可以观测的距离。
Every so often a comet gets flung out of the Oort Cloud, a swarm of comets on the fringes of the solar system, and gets close enough to Earth for us to see it.
毫无疑问，太阳系所有的行星将围绕木星运转，因为在太阳系的行星中木星的质量最大。
There can be no doubt that they would all begin to revolve around Jupiter, because that planet has the largest mass.
Sean Solomon说：“这是历史上第一次在太阳系最内的行星的轨道上进行科学观测。
"For the first time in history, a scientific observatory is in orbit about our solar system's innermost planet, " he said.
天文学家假设哈特利(Hartley2)彗星在太阳系中诞生在与其他6个彗星不同的位置。
The astronomers hypothesize that Hartley 2 was born in a different part of the solar system than the other six.
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。
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.
此外，他说，这表明在太阳系早期，大量的碎片结合到一起形成了行星，这看起来和我们通常想象的可能非常不同。
Further, he said, it suggests that the early solar system, full of the debris that coalesced to form the planets, may have looked very different than how we currently envision it.
根据行星形成理论，在太阳系早期，存在一个形成过程，更小的小行星形成稍大的行星胚胎，最终形成现在的行星。
According to planet formation theory, there was a process of building that went on in the early solar system - smaller planetesimals to larger planetary embryos to actual planets.
美国国家航空航天局表示，天文学家使用地面望远镜搜寻在太阳系之外的行星，发现了上百个不同的天体。
According to NASA, "Astronomers using ground-based telescopes to hunt for planets outside our solar system, dubbed extrasolar planets, have nabbed more than a hundred alien worlds."
结果发现在月球南极附近的火山口最低温度竟可低到华氏零下397度，这种低温之前从来没有在太阳系发现过。
The temperatures in the craters can dip as low as -397 degrees F, the lowest temperatures recorded anywhere in the solar system.
这里想表达的观点是，当地球从行星胚胎间相互碰撞缓慢形成时，火星却是一个孤独的行星胚胎，在太阳系历史上形成得很早。
The idea here is that - while Earth formed slowly from planetary embryos colliding - Mars is itself a solitary planetary embryo that formed very early in the history of our solar system.
这里想表达的观点是，当地球从行星胚胎间相互碰撞缓慢形成时，火星却是一个孤独的行星胚胎，在太阳系历史上形成得很早。
The idea here is that - while Earth formed slowly from planetary embryos colliding - Mars is itself a solitary planetary embryo that formed very early in the history of our solar system.
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