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.
太阳是一个巨大的旋转系统的中心，这个旋转系统由九大行星、它们的卫星和无数的小天体组成，包括小行星、彗星和流星体。
The Mariner spacecraft found that the surface of Mars, as well as that of its two moons, is pitted with impact craters formed by meteoroids falling in from space.
水手号宇宙飞船发现火星表面，还有它的两个卫星表面，都有由太空坠落的流星体造成的陨石坑。
It's from meteoroids that we get meteors and meteorites.
我们从流星体中得到流星和陨石。
Maybe along the way I can check the meteoroids.
没准我顺便还可以研究研究那流星群。
"There's craters and meteoroids about to hit our planet." She said.
她说，“太空中的流星和陨石可能会撞击我们的地球，我们已经准备好应对方法了。”
The streaks of light we see is that meteoroids breaking up, isn't it?
那我们看见的光的条纹就是陨石破碎了，对吗？
No, but there are meteoroids entering our atmosphere almost constantly.
不需要，但是一直有陨石进入我们的大气层。
Meteoroids are small particles in space with size similar to grains of sand.
宇宙充塞著沙粒大小的流星体。
If a batch of meteoroids comes from the same comet, the meteor shower is formed.
如果一批流星体来自同一颗彗星，形成的就是流星雨。
Meteoroids range in size from tiny dust particles to objects tens of metres across.
流星体的尺寸范围从微小的尘粒到横切为数十公尺的物体。
Remember the moon's lack of atmosphere means that even small meteoroids make craters.
记住月球上没有大气层，所以很小的陨石也能造成洞。
Meteoroids are small chunks of stone or stone and iron, some of which are fragments of asteroids or comets.
流星体是小的石块或者石头和铁、其中有一些是小行星或者彗星的碎片。
Since the volume is small, the meteorite will not be formed even though the meteoroids slip densely in the sky.
由于体量较小，虽然密集滑落天穹，但也不会产生陨石。
While not actual stars, “shooting stars” do come from outer space, in the form of meteoroids entering the Earth’s atmosphere.
“流星”并不是真的星星，但确实来自于外太空，他们以流星这种我们看到的形式进入地球大气层。
Consequently, MIPS allows astronomers to study the production of meteoroids by comets whose orbits do not cross the Earth's path.
因此，MIPS使天文学家得以研究与地球轨道不交汇的彗星产生的流星体。
Such particles, called meteoroids, are the same size as those that appear in meteor showers when they enter the Earth's atmosphere.
这些被称为“流星体”的微粒，和在流星雨时落入地球大气的流星具有同样的大小。
Thermal stress in meteoroids by aerodynamic heating is calculated for the ideal case of an isotropic, homogeneous, elastic sphere being heated at the surface with a constant heat transfer coefficient.
对在一个各向同性、均匀的弹性球的具有恒定的热传导系数的球面上进行加热这一理想情况下，计算了陨星由于空气动力学加热而产生的热应力。
Thermal stress in meteoroids by aerodynamic heating is calculated for the ideal case of an isotropic, homogeneous, elastic sphere being heated at the surface with a constant heat transfer coefficient.
对在一个各向同性、均匀的弹性球的具有恒定的热传导系数的球面上进行加热这一理想情况下，计算了陨星由于空气动力学加热而产生的热应力。
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