Normal comets fall into the inner regions of the solar system from icy reservoirs in the distant Kuiper belt and Oort cloud.
通常来说，彗星来自距离遥远且冰天雪地的柯伊伯带和奥尔特星云然后掉入太阳系中的内层区域。
The cloud of dust comes from the Kuiper belt, the region beyond Neptune that contains small, icy bodies, including Pluto.
这些尘埃云来自柯伊伯带(Kuiper belt)，柯伊伯带是海王星之外的一片区域，充满了小型的冰封物体，冥王星就包括在柯伊伯带中。
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.
我们将学习彗星和小行星奇怪物体，以及一些神秘的地方，如小行星带，柯伊伯带和奥尔特云。
The Jupiter-Saturn region would have been just the right temperature for such a comet, which is much closer to the sun than the Kuiper Belt or Oorl Cloud where most comets probably formed.
木星一土星区域有适合这种慧星存在的合适温度。它距离太阳比古比皮带和奥尔特云都要近。 这两者是大多数慧星可能形成的地方。
The Jupiter-Saturn region would have been just the right temperature for such a comet, which is much closer to the sun than the Kuiper Belt or Oorl Cloud where most comets probably formed.
木星一土星区域有适合这种慧星存在的合适温度。它距离太阳比古比皮带和奥尔特云都要近。 这两者是大多数慧星可能形成的地方。
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