planetesimal是什么意思_planetesimal怎么读_音标.plæni'tesiml

planetesimal是什么意思音标:英 [.plæni'tesiml]

n. 星子, 小行星体

n. one of many small sopd celestial bodies thought to have existed at an early stage in the development of the solar system

planetesimal的用法和例句：

1.Instead of worrying about pebbles or rocks or planetesimals, you just take the gas in the early solar nebula and you collapse it down under its own gravity to form one big object.

不必去想什么卵石 岩石和星子 只要有早期太阳星云中的气体就够了 让气体在自身引力作用下崩塌 从而形成一个大的物体