以上来源于: WordNet
The new model, which tracks thousands of tiny particles beyond the orbit of Neptune, could help astronomers work out the properties of planets in other stars' dust disks.
这个新模型追踪了海王星轨道外数无数个微小物体的运行轨迹，它可以帮助天文学家计算出其他星系尘埃盘中行星的特性。
Today (top left), for example, the gravity of the gas giant Neptune creates gaps by tugging at the icy dust and debris of the Kuiper belt, which orbits just beyond the planets.
譬如说今日的(左上图)，气体巨型星海王星的重力通过对轨道就在行星们不远处的柯伊伯带的结冰尘埃和残骸拉扯制造出数个缺口。
A new survey of the Kuiper belt - the distant area of the solar system beyond the orbit of Neptune - has turned up three new icy worlds that may be dwarf planets like Pluto.
一项对柯伊伯带-太阳系学海王星轨道之外的远距区域的调查，找到了三个新的冰封世界，可能像冥王星那样的矮星。
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