冥卫一是冥王星的一颗卫星，直径1,208千米（751英里），大约是冥王星的一半[1]，为目前已知的第六大海王星外天体[2]。冥卫一的质量足以在自身重力作用下塌缩成球体。
 |
注释
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
