Pluto was demoted to a newly created category, "dwarf planet," in 2006, partly because of the discovery a year earlier of Eris, another icy body from Pluto's neighborhood.
冥王星在2006年被降格至一个新创造的类别，“矮行星”，部分原因是在那之前一年，在冥王星的轨道附近，一颗名叫厄里斯的冰态天体被发现。
So Farihi thinks that the trace elements must have come from another source: remnants of rocky planets, forming a ring of debris that slowly rains down on the white dwarf.
因此Farihi认为痕量元素肯定来自另一来源：岩石行星的残骸形成的碎屑环，慢慢地向白矮星掉落。
For another, the clouds don't look like the disheveled spheroidal dwarf galaxies that closely orbit the Milky Way and other major spirals.
另一方面，这些星云看上去并不像结构松散的球状矮星系一样紧紧地围绕银河系和其它主要的漩涡星系的轨道运行。
The lanterns had been lit fore and aft, but the fog was so thick that all the dwarf could see from amidships was a light floating out ahead of him and another following behind.
船首船尾都点着灯笼但是雾实在太浓以至于站在船中央的侏儒只能隐隐看到一点光亮漂浮在前面而后面一点光亮的追随。
The lanterns had been lit fore and aft, but the fog was so thick that all the dwarf could see from amidships was a light floating out ahead of him and another following behind.
船首船尾都点着灯笼但是雾实在太浓以至于站在船中央的侏儒只能隐隐看到一点光亮漂浮在前面而后面一点光亮的追随。
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