• 那么讲到流星体我们需要讨论下彗星小行星

    So to talk about where meteorites come from, we need to talk about comets and asteroids.

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  • 现在打算深入讨论彗星小行星了,但是我们稍后回到这个点上,讨论方面的内容。

    I'm not going to go into any depth on comets and asteroids now, but we'll come back later and do that.

    youdao

  • 不要彗星小行星搞混了。

    Don't mix up comets and asteroids.

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  • 多年来,彗星小行星仍然世人所知。

    For many years comets and asteroids remained hidden to the world.

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  • 如果太空地天体(彗星小行星)当成“近地物体”的话,那么这个说法才可以说得通。

    This cannot be correct unless Unoosa considers aliens to be near-earth objects (like comets and asteroids).

    youdao

  • 我们学习彗星小行星奇怪物体以及一些神秘地方小行星柯伊伯奥尔

    We will learn about strange objects called comets and asteroids, and about mysterious places like the asteroid Belt, the Kuiper Belt, and the Oort Cloud.

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  • 这些物质,包括二氧化碳一氧化碳钠时,让人吃惊的是,,可能来自地球月亮内部,还是来自彗星小行星

    The compounds, which include ammonia, carbon dioxide, carbon monoxide, sodium and, surprisingly, silver, could have come from the Earth, from the moon's interior, or from comets and asteroids.

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  • 同样的,星球无数方法能够丧失自己的大气层,有可能太阳风夺走,还有可能被太阳放射性物质或者来自彗星小行星灾难性撞击耗尽。

    Similarly, there are myriad ways that planets can lose their atmospheres, through stripping by the solar wind, baking by the sun's radiation or catastrophic impacts by comets or asteroids.

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  • 很大程度上,Roids只是小行星彗星碎片

    Roids are, for the most part anyway, they are just smaller bits of asteroids and comets.

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  • 太阳系类似物体行星还小——即小行星彗星

    The solar system also has two analogous classes of objects, smaller than planets—namely, asteroids and comets.

    youdao

  • 太阳一个巨大旋转系统的中心这个旋转系统大行星它们的卫星无数天体组成,包括小行星彗星流星体。

    The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids.

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  • 想法不是认为这些结构单元只是搭乘陨石乘客而是小行星彗星中的化学成分实际上可以制造生物的结构单元。

    The idea isn't that these building blocks are just passengers aboard meteorites, but that the chemistry inside asteroids and comets can actually manufacture the essential building blocks of biology.

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  • 然而我们探索自己宇宙后院搜寻生命构筑材料的迹象时,我们卫星彗星小行星遥远系外行星上发现了有机化学

    However, as we've explored our cosmic backyard, hunting for any signs of the building blocks of life, we've found organic chemistry on moons, comets, asteroids and distant exoplanets.

    youdao

  • 我们也许没能成功减轻小行星彗星碰撞带来威胁。

    Perhaps we'll fail to mitigate the threat posed by asteroid and comet collisions.

    youdao

  • 这些成千上万个,数十亿岩石粒子所组成,这些粒子被认为彗星小行星粉碎卫星碎片

    The ringsthere are thousandsare made up of billions of ice and rock particles, thought to be pieces of comets, asteroids, or shattered moons

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  • 通过这种方法可以观察到,恒星固定不动的,彗星小行星行星这样的物体移动

    Stars would stay fixed, but objects like comets, asteroids, and planets moved.

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  • 其它状星云中的物质相互碰撞合并形成小行星尺寸星体,称为“星子”,一些星子相互结合,形成小行星彗星卫星行星

    Other particles within the disk collided and stuck together to form asteroid-sized objects named as planetesimals, some of which combined to become the asteroids, comets, moons and planets.

    youdao

  • 除了模拟照片里所看到了行星卫星外我们太阳系统还包含一个恒星一些小行星彗星冥王星那样侏儒行星。

    In addition to the planets and moons seen in this simulated photo, our solar system contains a star, asteroids and comets, and dwarf planets such as Pluto.

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  • 提供NASA研究彗星小行星地天体的任务信息提供了有关这些天体基本事实最近科学研究成果。

    It provides information on NASA's missions to study comets, asteroids and near-Earth objects, and also provides the basic facts and the very latest in science and research on these objects.

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  • 通过设在月球天文望远镜由月球发射的宇宙飞船,数以千计近地目标星体(小行星彗星进行分析研究。

    Thousands of near-Earth objects (asteroids and comets) will have been analyzed by telescopes on the Moon and by spacecraft that were launched from the Moon.

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  • 任务计划发现以前从未过的目标包括最冷恒星宇宙明亮星系一些最暗近地小行星彗星

    The mission is designed to uncover objects never seen before, including the coolest stars, the universe's most luminous galaxies and some of the darkest near-Earth asteroids and comets.

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  • 探索小行星彗星相互作用

    Explore an asteroids and comets interactive.

    youdao

  • 过去的20亿年来许多小行星彗星撞击月球,留下撞痕,并在月球表面上遗留下大约10000亿

    In the past 2bn years, asteroids and comets have ploughed into the moon, dumping an estimated ten thousand billion tonnes of water onto its surface.

    youdao

  • 大多数古生物学家同意那些生物剩下大部分中生代生物都是在六千五百万年前地球小行星或者彗星相撞时灭绝

    Most paleontologists agree that those creatures and much of the rest of Mesozoic life ended when the Earth collided with an asteroid or a comet 65m years ago.

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  • 我们知道EpsilonEri环绕尘埃可能产生小行星彗星之间撞击也是存在更小行星间接证据

    Epsilon eri is also known to be surrounded by a disk of dust, which may be derived from collisions between asteroids and comets, which is an indirect argument for smaller planets also being present.

    youdao

  • 彗星靠近太阳时,冰层融化释放气体尘埃远远地飘太空。(探索小行星彗星们的相互作用。)

    As the comet nears the sun, its ice melts, releasing gas and dust that stream away into space. (Explore an asteroids and comets interactive.)

    youdao

  • 彗星靠近太阳时,冰层融化释放气体尘埃远远地飘太空。(探索小行星彗星们的相互作用。)

    As the comet nears the sun, its ice melts, releasing gas and dust that stream away into space. (Explore an asteroids and comets interactive.)

    youdao

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