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。
The cloud of dust comes from the Kuiper belt, the region beyond Neptune that contains small, icy bodies, including Pluto.
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。
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.
应用推荐