• That makes it the biggest known crater in our solar system and it may well be the oldest.

    使成为太阳系已知最大陨石坑可能古老的陨石坑。

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  • Other planets in our solar system lack the oxygen atmosphere that helps explain why life exists on Earth.

    我们太阳系其他行星缺乏氧气大气层有助于解释为什么地球存在生命

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  • The nearly circular orbits of planets in our solar system led scientists to expect that planets around other stars would also reside in circular orbits.

    我们太阳系中,行星轨道几乎是圆形的,这使得科学家预测其他恒星周围的行星位于圆形轨道上。

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  • The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.

    火星我们太阳系其他行星没有氧气,这意味着这些行星缺乏保护地表生物免受紫外线辐射的臭氧层

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  • It would in our solar system, anyway.

    太阳系里的确是这样

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  • There are nine planets in our solar system .

    我们太阳系九个行星

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  • How do you make the planets in our solar system?

    太阳系行星又是由什么组成的?

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  • "In our solar system, Jupiter is the biggest bully," he said.

    木星太阳系最大一颗‘流氓星’”。

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  • Clouds swirl on Saturn, the second largest planet in our solar system.

    云层土星上打漩涡,土星是太阳系第二大行星

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  • Can you answer these quiz CARDS about the planets in our solar system?

    关于太阳系大行星回答这些测试题吗?

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  • In our solar system, planets for the most part have fairly uniform circular orbits.

    太阳系大多数行星都各自拥有统一圆周轨道。

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  • As in our solar system, vast distances stretch between these stars and their gas giants.

    正如我们太阳系一样,恒星与其气态巨行星之间相隔甚

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  • Among all the planets in our solar system, earth is also one of the most unstable planet.

    地球太阳系不稳定行星之一。

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  • Mister Sagan was deeply involved in American efforts to explore the planets in our solar system.

    萨根先生积极参与美国我们太阳系各个行星的探测工作

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  • Questioner: Are there any people such as you find on Earth on any of the other planets in our solar system?

    发问者:你们我们太阳系之中,除了地球有没有其它行星发现如同人类生物?

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  • The sun is by far the largest object in our solar system, containing 99.8 percent of the solar system's mass.

    太阳我们已知太阳系最大天体,占有太阳系总质量的99.8%。

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  • These primitive meteorites are like time capsules, containing the most primitive materials in our solar system.

    这些原始陨石时间胶囊含有太阳系原始的资料

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  • Lost in space: Researchers say aliens may be in our solar system (we're just not looking hard enough to see them).

    迷失太空研究人员我们太阳系可能会有外星人的存在(我们只是容易看到他们而已)。

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  • Once classified as a true planet, icy Pluto is now considered one of the more than 40 dwarf planets in our solar system.

    它曾一度被划归行星冰冷冥王星目前被认为是我们太阳系的40多个行星之一

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  • Voyager 2 is the only spacecraft that has flown close by to one of the more enigmatic planets in our solar system: Uranus.

    旅行者2唯一接近我们太阳系众多神秘行星之一天王星艘航天器

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  • For instance, five of the six planets orbit closer to their parent star than any planets in our solar system orbit the sun.

    比如6个行星里有5个围绕其母轨道距离我们太阳系任何一个行星太阳的轨道距离都要近。

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  • Without the rocket, it is safe to say we would not only have never gone to the moon or visited every planet in our solar system.

    没有火箭我们也就可能到达月球或者任何一个太阳系星球

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  • The second asteroid belt lies at about 20 astronomical units from the star, or a position comparable to Uranus in our solar system.

    第二行星距离它恒星20个天文单位,这相当于太阳系天王星位置

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  • It could be that the planet managed to cling onto a moon when all the other gas giants in our solar system had already lost theirs.

    可能是因为我们太阳系其他气态巨星已经失去自己卫星时候土星捕获一个月亮。

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  • Near the top of the short list of places in our solar system that might harbor extraterrestrial life is Jupiter’s rocky moon Europa.

    短短的外星生命或有星球列表接近表上端位置有一个地点:木星的卫星——巉岩耸峙的欧罗巴。

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  • Each planet in our solar system has a particular influence by which certain lessons are to be learned and for which we are tested on Earth.

    我们太阳系中的颗行星都有一种特殊影响力我们通过得以学会某些课程为此我们地球上经受考验

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  • The main purpose was to use the gravity of the largest planet in our solar system to slingshot Cassini towards Saturn, its ultimate destination.

    主要目的利用太阳系最大的一个行星获得重力推动卡西尼号最终目的地——土星

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  • In that case, "it would be the most unique exoplanet we've found so far," study leader Bean said. "we have nothing like that in our solar system."

    万一那样的话,“可能迄今为止我们发现最为独特的太阳系外行星”首席科学家:“我们的太阳系没有那样的情况。”

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  • In that case, "it would be the most unique exoplanet we've found so far," study leader Bean said. "we have nothing like that in our solar system."

    万一那样的话,“可能迄今为止我们发现最为独特的太阳系外行星”首席科学家:“我们的太阳系没有那样的情况。”

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