planetoid

1. As the Moon is constantly rotating on its own axis, there is no area of the planetoid which is in permanent darkness.
   当月亮以它的轴为中心不断旋转时，没有哪个区域会在永恒的黑暗中。
2. Jumping Galactica in behind the planetoid.
   卡拉狄加时空跳跃到小行星背后。
3. Sitchen says this planetoid named nibiru.
   西特切说这颗小行星的名字为尼比奴。

noun

1. any of numerous small celestial bodies that move around the sun

   Synonym:    minor planet